Free Engineering & PLM tools
185 templates, calculators, worksheets and reference tables. Each runs in your browser and exports to PDF, Excel, Word or CSV.
Templates and forms
SAP Document Info Record Template
Capture the key fields of a document info record before entering it in CV01N, with links to material, BOM and change number.
SAP Engineering Change Request (ECR) Template
A structured change request form that captures the reason, impact on stock and open orders, and approvals before a change number is created.
Part Numbering Scheme Generator Template
Fill in your company rules and get a one-page part numbering standard with format, class codes, examples and governance rules.
CNC Workholding and Fixture Plan Template
A fill-in plan for how each CNC operation locates and clamps the part, with datums, clamp forces and risk notes.
Engineering Drawing Release Request Template
A release request form that records revision, tolerance and GD&T review status, affected parts and approvals before a drawing goes to the shop floor.
Datum Reference Frame Definition Template
A one-page record of how datums A, B and C are established, which degrees of freedom they constrain and how the fixture and CMM should locate the part.
Tolerance Analysis Report Template
A design review document that records the assembly requirement, analysis method, assumptions, results and decision for a tolerance study.
Drawing Tolerance Clarification Request Template
A structured form to raise a technical query about a drawing tolerance, datum scheme or GD&T callout, with the proposed interpretation, impact and a disposition signature.
Engineering Change Request (ECR) Form Template
A fill-in ECR form that captures the reason for change, affected parts, risk and board approvals, ready to export as PDF or Word.
Engineering Change Order (ECO) Template
An ECO and ECN document template with affected items, effectivity, stock disposition and implementation tasks, exportable as PDF or Word.
Part Numbering Policy Template
A fill-in policy document that defines how part numbers are structured, assigned, revised and retired, exportable to Word or PDF.
Engineering Change Board Meeting Minutes Template
Fill in a clean ECB or CCB meeting record with decisions per change, actions and sign-off, and export it to PDF or Word.
New Part Introduction Request Form Template
A request form that gives engineering and master data teams everything needed to create a new part in the ERP correctly the first time.
Drawing Release Package Transmittal Template
A transmittal sheet that lists every drawing, revision and file sent in a release package, with a receipt acknowledgement line.
Engineering Change Shop Floor Notice Template
A one page notice that tells production what changed, from which work order, and what to do with old-revision parts.
Stainless Steel Grade Selection Datasheet Template
A fill-in datasheet that records service conditions and the proposed stainless grade, with a quick reference of common grades and UNS numbers.
Material Substitution Request Form Template
Record why a material grade is being replaced, compare properties and capture engineering and quality approval.
PCBA Engineering Change Notice Template
A fill-in ECN for PCB assembly changes covering BOM, fabrication data, process impact, inventory disposition and approvals.
Medical Device Change Control Request Template
Change request form with impact assessment on regulatory filings, risk files, validations and labeling.
Key Characteristic Control Plan Template
A control plan document for key characteristics with measurement method, sample plan, capability target and reaction plan, ready for AS9103 style variation management.
Teamcenter Private AI Layer Blueprint Generator
Fill in your Teamcenter version, database, hosting and use cases to get a shareable architecture plan for a private, on-prem AI assistant.
Windchill Private AI Layer Blueprint Generator
Generate a shareable architecture plan for a private AI assistant on Windchill, built on Windchill REST Services and your own GPUs.
SOLIDWORKS PDM Private AI Layer Blueprint Generator
Generate a plan for adding a private, on-prem AI assistant to a SOLIDWORKS PDM Professional vault using the PDM API.
Autodesk Vault Private AI Layer Blueprint Generator
Create a shareable plan for adding a private AI assistant to an on-prem Autodesk Vault, built on the Vault API and Job Processor.
ENOVIA Private AI Layer Blueprint Generator
Create a shareable plan for adding a private AI assistant to on-prem ENOVIA or 3DEXPERIENCE using MQL, the Java API or 3DSpace web services.
Worksheets
SAP Super BOM Design Worksheet
Lay out every component of a 150 percent BOM with its selection condition, quantity and cost, then see how many items are always present versus conditional.
SAP Change Master and Revision Level Log
Track change numbers, validity dates, revision levels and the number of BOMs and routings each engineering change touches.
SAP Engineering Change Affected Materials Impact Worksheet
A row by row worksheet of affected materials with quantities, cost and disposition that totals the financial impact of a change.
Cloud MRP BOM Data Cleanup Worksheet
Clean each BOM line with unit of measure, scrap allowance and cost before loading data into MRPeasy, Katana, Odoo, ERPNext or Fishbowl.
DFMEA Worksheet Template (Excel Export)
A design FMEA table that follows the function, failure, effect and cause chain and ranks lines by risk score.
BOM Explosion Requirements Worksheet
Explode a bill of materials into component requirements, with quantity per, scrap allowance and extended cost for each line.
CNC Program Revision Log Worksheet
An editable log of CNC program changes with revision, reason, proveout status and approver, exportable to Excel.
Casting Pattern Allowance Worksheet
Compute pattern dimensions from finished size, machining stock per side and shrink percent, feature by feature, and export the table to Excel.
Hole and Shaft Fit Clearance Worksheet
An editable worksheet that computes minimum and maximum clearance (negative means interference) for each hole and shaft pair from their limit sizes.
BOM Comparison Worksheet (Revision A vs B)
Enter quantities and costs for each BOM revision and get the quantity change and cost delta per component, ready to export to Excel.
Drawing Revision Log Worksheet
An editable revision history log for engineering drawings with ECO reference, change description, approver and release date.
PLM Selection Scorecard Worksheet
A weighted scorecard to compare three PLM candidates on change management, BOM, CAD and ERP integration, cost and vendor fit.
Engineering Change Open Stock Disposition Worksheet
List every affected part with on-hand, WIP and on-order quantities, pick a disposition, and see the cost exposure of the change.
Engineering Change Implementation Task Tracker Worksheet
Track ECO implementation tasks by owner and due date, with planned and actual hours and a late-task indicator.
Design Review Comment Resolution Log Worksheet
Log every design review comment with severity, owner, response and due date, and see how many remain open.
ECO Backlog Aging Worksheet
List open ECOs with stage, owner, age and target days, and see overdue days and engineering hours at a glance for the weekly change board.
Fastener Torque Spec Conversion Log Worksheet
Record each fastener torque once in ft-lb and get N-m, in-lb and kgf-m for work instructions across plants and suppliers.
Design History File Index Template
An editable index of the records that make up a medical device design history file, with status, owner and review date for each document.
Medical Device Design Input Traceability Matrix Worksheet
Editable traceability matrix linking each design input to its design output, verification, validation and risk control.
Forging Part Family Input Weight and Yield Worksheet
Calculate input weight, yield and annual material pounds and cost for a family of forged parts using flash, scale and bar-end loss assumptions per part.
Hydraulic Cylinder Sizing Worksheet (Force, Speed and Cycle Time)
An editable multi-cylinder worksheet that computes bore and annulus area, extend and retract force, stroke speeds and total cycle time for every actuator on a machine.
Configurable BOM Option Cost and Price Rollup Worksheet
Roll up cost, labor hours and price for a configured product. Each BOM line has an option group, a selected flag, scrap, labor and target margin, and totals update as you toggle options.
Laminate Thickness and Weight from Ply Schedule Worksheet
Build a ply schedule row by row and get cured thickness, prepreg weight, fiber weight, part weight and equivalent Vf, ready to export to Excel.
Linear Tolerance Stack-Up Worksheet (Worst Case and RSS)
Build a one-dimensional stack row by row with direction signs and unequal tolerances, then read mean gap, worst-case limits and RSS limits.
Calculators and simulators
SAP Engineering Change Obsolescence Exposure Calculator
Quantify the write-off risk of replacing a component and estimate when old stock runs out so you can set the right effectivity date.
BOM Accuracy Calculator
Compute BOM and line-level accuracy from an audit sample and estimate the rework effort to reach your target.
BOM Error Cost of Poor Quality Calculator
Quantify what BOM line errors cost when they are found late, and see the chance that a released BOM is completely clean.
Part Number Keyspace Capacity Calculator
Test a part numbering scheme before you adopt it: total capacity, usable numbers after reserves and years until exhaustion at your growth rate.
Weibull Reliability and B10 Life Calculator
Enter Weibull shape and scale to get reliability at a mission time, the B-life at a chosen failure percentage and the instantaneous hazard rate.
Series and Parallel System Reliability Calculator
Multiply component reliabilities in series, add redundant parallel units to the weakest block and see how system reliability responds.
APQP Tooling Cavity Count Calculator
Size the number of cavities per tool from annual demand, peak factor, cycle time, OEE and available hours before you commit to a tooling quote.
Assembly Tolerance Stack Worst Case vs RSS Calculator
Add up the contributors in a linear stack and see the minimum gap by worst case, root-sum-square and a 1.5x modified RSS.
Metric Thread Dimensions and Tensile Stress Area Calculator
Basic and design dimensions for an ISO metric thread plus the tensile stress area and breaking load for a given property class.
Weld Metal Volume and Weight Calculator (V-Groove)
Computes weld metal area, volume and weight per meter and for the full joint from plate thickness, root gap, groove angle and reinforcement.
Preheat Temperature and Carbon Equivalent Calculator
Enter steel chemistry to get IIW carbon equivalent, Pcm and an indicative preheat temperature adjusted for thickness.
Welding Heat Input Calculator
Compute arc energy and net heat input from amps, volts, travel speed and process efficiency, and see how speed changes the result.
Fillet Weld Size and Strength Calculator
Find effective throat and weld metal capacity of a fillet weld from leg size, length and filler classification, with LRFD and ASD design values.
Bolt Circle Hole Coordinates Calculator
Enter the pitch circle diameter, hole count and start angle to get the X and Y position of any hole plus the chord between neighbours.
Linear Thermal Expansion Calculator (Two Materials)
Find how much a part grows between two temperatures, and how much two mating materials move relative to each other.
Press Fit Interference Pressure and Force Calculator
Estimate contact pressure, hub hoop stress, press-in force and slip torque for a solid shaft pressed into a hub.
Bonus Tolerance (MMC) Position Calculator
Calculates the bonus tolerance gained as a feature departs from maximum material condition and compares the total allowed position zone to the measured error.
GD&T Bonus Tolerance Calculator (MMC and LMC)
Enter the size limits, the actual feature size and the position tolerance at MMC. Get the bonus tolerance, the total allowed position zone and a pass/fail against measured X and Y offsets.
Shaft and Hole Clearance Fit Limits Calculator
Type in nominal size and the hole and shaft deviations in micrometres. See minimum clearance, maximum clearance, mean clearance and whether the fit is clearance, transition or interference.
Bilateral and Unilateral Tolerance Converter
Turn any plus/minus tolerance, even an unequal or one-sided one, into upper and lower limits, a mid-limit target and an equal bilateral equivalent that CNC programmers can aim at.
Metric Thread Pitch Diameter and Tap Drill Calculator
Enter major diameter and pitch for any ISO metric thread. Get basic pitch diameter, minor diameters, tensile stress area and a tap drill size for your chosen thread engagement.
Minimum Wall Thickness Calculator with Concentricity
Combine outside diameter tolerance, bore tolerance and a coaxiality zone to see the true thinnest wall that can occur, and the margin against your minimum wall requirement.
Shrink Fit Heating Temperature Calculator
Calculate how hot a bore must be to slip over a shaft: required expansion, temperature rise and final oven temperature, with the material limits that matter.
GD&T Virtual Condition and Resultant Condition Calculator
Enter a pin and a hole with their MMC and LMC sizes and position tolerances at MMC. Get virtual conditions, resultant conditions and the guaranteed clearance and worst case gap.
Engineering Change Cost Impact Calculator
Estimate the full one-time cost of an engineering change and the payback period against annual savings before you approve it.
Last Time Buy Quantity Calculator
Calculate the last time buy quantity and the investment and carrying cost for a part reaching end of life.
ECO Cycle Time and Backlog Calculator
Use Little's law to turn open ECO count and closure rate into average cycle time, backlog clearing time and the engineering headcount your change flow needs.
Engineering Change Cutover Cost Calculator
Decide whether to cut an engineering change in immediately or let old stock run out, based on scrap, rework and the weekly benefit of the new design.
Design Change Cost Escalation Calculator
Model the cost of the same design change at different lifecycle phases, with tooling and affected-unit rework, to justify earlier design reviews.
PLM Total Cost of Ownership Calculator
Add up licences, viewer seats, hosting, admin staff, implementation, ERP integration and training to see the true multi-year cost of a PLM system.
Design-to-Cost Target Gap Calculator
Start from target price and margin, derive the allowable cost, and see how much cost the design still has to take out per unit and per year.
Part Number Proliferation Cost Calculator
Quantify what duplicate part numbers cost in record maintenance and excess inventory, and how fast a clean-up project pays back.
Steel and Aluminum Plate and Bar Weight Calculator
Weight and material cost of plate, round bar, square bar and hex bar in common metals, with kg per metre and a thickness sweep chart.
Torque Conversion Calculator
Convert any torque value between Newton-metres, pound-feet, pound-inches, kgf-m, kgf-cm, ounce-inches and Newton-centimetres.
Pressure Conversion Calculator
Convert pressure between psi, bar, MPa, kPa, atm, kgf/cm2, mmHg and inches of water in one step.
Bolt Preload and Tightening Torque Calculator
Work out target preload and tightening torque for a metric bolt from its property class, tensile stress area, preload percentage and nut factor.
Beam Deflection and Bending Stress Calculator
Compute midspan or tip deflection, peak bending moment and bending stress for a simply supported or cantilever beam in steel, stainless, aluminum or titanium.
Wire Harness Voltage Drop and Power Loss Calculator by AWG
Find voltage drop, percent drop and I squared R loss in a copper wire run by gauge, current, length and conductor temperature.
PCB Trace Width and Current Capacity Calculator (IPC-2221)
Enter current, allowed temperature rise and copper weight to get the minimum external or internal trace width from the IPC-2221 formula.
PCB Trace Width Calculator (IPC-2221)
Find the minimum trace width for a given current, allowed temperature rise and copper weight using the IPC-2221 relationship.
Resistor Power Derating Calculator
Check whether a chosen resistor is safely derated at your operating voltage and ambient temperature.
Fiber Optic Numerical Aperture and V-Number Calculator
Compute NA, acceptance angle, relative index difference, V-number, cutoff wavelength and mode count for a step-index fiber.
Optical Lens Focal Length Calculator
Find focal length from surface radii and glass index, then image distance, magnification, f-number and diffraction-limited spot size.
Wavelength to Frequency Converter
Convert a vacuum wavelength in nanometers to optical frequency, photon energy, wavenumber, period and wavelength inside glass, water or fiber.
Heat Exchanger LMTD and Required Area Calculator
Find heat duty, LMTD, cold stream flow and the area needed for a given overall U value.
EV Busbar Weight, Cost and Power Loss Calculator
Size a rectangular copper or aluminum busbar for weight, blank cost, resistance, voltage drop and resistive loss at a given current.
Battery Pack Series Parallel Configuration Calculator
Enter series and parallel counts and cell data to get pack voltage, Ah, kWh, cell count, cell mass and power at a chosen C rate.
O-Ring Gland Squeeze and Fill Calculator
Compute nominal and worst-case O-ring squeeze and gland fill from cross-section, groove depth, groove width, tolerances and fluid swell.
O-Ring Thermal Expansion and Clearance Calculator
Predict hot diametral clearance and hot squeeze when the bore, piston and elastomer expand at different rates between assembly and operating temperature.
CNC Cycle Time Estimator from Material Removal Rate
Turn volume to remove, depth of cut, stepover and feed into a per-part cycle time and a lot hour requirement, then sweep feed rate to see the effect.
Bar-Fed Lathe Parts per Bar and Remnant Calculator
Works out how many parts one bar yields once the cutoff width, facing stock and the unusable stub are taken out, then sizes the bar order for a lot.
Stamping Strip Layout Material Utilization Calculator
Turn blank size, bridge and edge scrap into strip width, pitch, utilization percent and material cost per part, with a sweep of utilization against bridge width.
Stamping Press Tonnage Calculator for Blanking and Piercing
Cutting force from perimeter, thickness and shear strength, plus stripping and forming load, with a press size that includes a safety margin.
Injection Mold Cavitation Optimizer (Total Cost per Part)
Sweeps the number of cavities from 1 to 32 and shows machine cost plus tooling cost per part, so you can see where adding cavities stops paying for itself.
Mold Cooling Channel Reynolds Number, Flow and Heat Removal Calculator
Enter coolant flow, channel diameter, water temperature, temperature rise and circuit length to get velocity, Reynolds number, minimum flow for turbulence, heat removed and pressure drop.
Rubber Part Weight and Compound Charge Calculator
Turns ring, washer or bushing geometry into part volume, weight, mold charge weight with flash allowance, and compound cost per part and per shot.
Electroplating Thickness and Time Calculator (Faraday)
Compute plating time, deposition rate, total amps, amp-hours and deposited metal weight from current density, cathode efficiency and target thickness.
Anodize Time and Current Calculator
Estimate anodize time from amps per square foot and target coating thickness, plus rectifier amps, amp-hours, energy and dimensional growth.
Plating Part Surface Area Estimator
Estimate plated surface area for a prismatic part with through holes and bosses, then convert to dm2, ft2 and load amps for the whole lot.
Weld Shrinkage and Distortion Allowance Calculator
Estimate transverse and longitudinal shrinkage of a groove weld so parts are cut long enough and fit-up holds.
Compression Spring Rate and Stress Calculator
Rate, load, Wahl-corrected shear stress and solid-height safety factor for round-wire helical compression springs, with a deflection sweep.
Extension Spring Load and Hook Stress Calculator
Rate, load with initial tension, body stress and full-loop hook stresses for round-wire extension springs, with an extension sweep.
Torsion Spring Rate and Bending Stress Calculator
Torsion spring rate, moment, inner-fiber bending stress, arm force and the loaded inside diameter that sets your arbor size.
Thread Engagement Length Calculator
Minimum thread engagement so the bolt breaks before the threads strip, for common bolt grades and tapped-hole materials, with a strip-load sweep.
Gear Train Ratio, Output Speed and Torque Calculator
Enter tooth counts for a two-stage spur or helical reduction and get overall ratio, output speed, output torque and output power after mesh losses.
Spur Gear Dimensions Calculator (Module, Pitch Diameter, Center Distance)
Compute standard full-depth spur gear geometry for a gear and pinion pair: diameters, tooth depth, circular pitch, center distance and ratio.
V-Belt and Flat Belt Length and Center Distance Calculator
Find the belt pitch length for two pulleys, the small-pulley wrap angle and belt speed, then back-solve the real center distance once you pick a standard belt length.
Shaft Torque, Power and Shear Stress Calculator
Convert power and speed to torque, then check torsional shear stress, twist per meter and the minimum solid-shaft diameter for an allowable stress.
Hydraulic Pump Flow and Input Horsepower Calculator
Converts pump displacement, shaft speed, pressure and efficiencies into delivered GPM, hydraulic horsepower, required motor input power, torque and annual electricity cost.
Hydraulic Pipe Pressure Drop Calculator (Darcy-Weisbach)
Calculates oil velocity, Reynolds number, Darcy friction factor, straight-run and fitting pressure drop, and the horsepower lost to line friction for a given hose or tube.
Hydraulic Accumulator Sizing Calculator (Precharge and Gas Law)
Sizes a gas-charged accumulator from required discharge volume, minimum and maximum system pressure, precharge fraction and the compression process exponent.
Hydraulic Reservoir Heat Load and Cooler Sizing Calculator
Estimates the heat a hydraulic system generates, how much the reservoir sheds by natural convection, the steady oil temperature without a cooler, and the cooler duty needed to hold a target.
ETO Engineering Hours Estimator by Drawing Count and Complexity
Estimate engineering hours, cost and elapsed weeks for an ETO job from drawing count, complexity, design reuse, analysis, revision allowance and project coordination load.
Composite Fiber Volume Fraction and Rule of Mixtures Calculator
Convert resin or fiber weight fraction into fiber volume fraction, then estimate laminate density and first-pass modulus with the rule of mixtures and the inverse rule.
Fixed and Floating Fastener Position Tolerance Calculator
Calculate the position tolerance for clearance holes using the floating and fixed fastener formulas, split it between parts and check the hole at LMC.
Folding Carton Sheet Yield and Ups Calculator
Find how many carton blanks fit on a press sheet in both orientations, then see utilization, sheets to buy and board cost per 1,000 cartons.
MIM Shrinkage and Tooling Scale Factor Calculator
Derives MIM linear shrinkage and cavity oversize factor from powder volume loading and final density, with green mass and dimensional spread.
Powder Metallurgy Compaction Tonnage Calculator
Press force, required tonnage with safety margin, powder fill depth and hourly output for press-and-sinter PM parts.
Teamcenter AI Assistant Sizing and Value Calculator
Estimate GPU count, daily tokens, vector index size and payback for an on-prem AI assistant on Teamcenter from your user and usage numbers.
Windchill AI Assistant Sizing and Value Calculator
Size GPUs and test the business case for a private AI assistant on Windchill using your users, questions per day and document volume.
SOLIDWORKS PDM AI Assistant Sizing and Value Calculator
Estimate GPUs, token volume, index size and payback for a small-team private AI assistant on a SOLIDWORKS PDM vault.
Autodesk Vault AI Assistant Sizing and Value Calculator
Size GPUs and index storage and test payback for a private AI assistant on an on-prem Autodesk Vault.
ENOVIA AI Assistant Sizing and Value Calculator
Estimate GPU count, token volume, index size and payback for a large private AI assistant on on-prem ENOVIA.
Reference tables
SAP BOM Usage and Item Category Reference
Look up the standard BOM usage keys and item category codes, with a plain note on what each controls.
ISO 286 IT Tolerance Grade Table (IT5 to IT9)
Standard tolerance band widths in micrometres for IT5 to IT9 across nominal sizes up to 250 mm.
Sheet Metal Minimum Bend Radius by Material Reference
Typical minimum inside bend radius for common sheet metal alloys and tempers, shown as a multiple of material thickness, with cracking notes.
Press Brake V-Die Opening and Minimum Flange Reference
Rule-of-thumb V die opening, minimum flange and approximate inside radius for mild steel air bending, by material thickness.
Sheet Metal Density and Weight per Area Reference
Density and weight per area per millimetre of thickness for steel, stainless, aluminum, copper, brass and titanium sheet.
Mold Steel Grades Selection Reference
Common mold steels and cavity materials with typical working hardness and the situations where each is normally chosen.
Injection Mold Gate Types Reference
A comparison table of common mold gate types with where each works best, trade-offs and how the gate is removed.
ISO 286 IT Tolerance Grades Table
Look up the ISO 286 standard tolerance width for grades IT5 to IT11 across nominal size ranges up to 500 mm.
GD&T Symbols Reference Table
A searchable list of the 14 GD&T geometric characteristics and common modifiers with category, datum use and tolerance zone shape.
ISO 2768 General Tolerances Table
Look up the default tolerance for dimensions with no individual tolerance, by size range and ISO 2768-1 class.
ISO 2768-1 General Linear Tolerances Reference
Look up the permitted deviation for any linear dimension, external radius or chamfer under ISO 2768-1 tolerance classes fine, medium, coarse and very coarse.
ISO 2768-2 General Geometrical Tolerances Reference
Look up default flatness, straightness, perpendicularity, symmetry and circular run-out values for ISO 2768-2 classes H, K and L.
Metric Tap Drill and Clearance Hole Size Reference
Lookup chart of metric tap drill sizes plus fine, medium and coarse clearance holes for common fasteners from M1.6 to M30.
Typical Achievable Tolerance by Manufacturing Process Reference
Planning reference of the IT grade and approximate tolerance band each common manufacturing process can hold on a 25 mm feature.
Engineering Drawing Sheet Size Reference Table
Searchable chart of ASME Y14.1 and ISO 5457 style drawing sheet sizes in inches and millimetres, with the nearest equivalent in the other system.
Engineering Drawing Line Types Reference
Lookup table of common drawing line types, their weight, pattern and what each is used for on a part or assembly drawing.
Engineering Change Effectivity and Disposition Terms Reference
Searchable table of ECO and ECN vocabulary: effectivity types, stock disposition choices, change classes and related document terms, with how each shows up in an ERP.
Metal Density Reference Table
Searchable table of nominal densities for common engineering metals in three units, with typical use notes.
Steel Grade Equivalents Reference (AISI, EN, JIS)
Nearest-equivalent cross reference between AISI/SAE, European EN numbers and names, and JIS grades for common steels.
Aluminum Alloy Reference (Series, Temper, Density)
Quick lookup of common wrought and cast aluminum alloys with series, tempers, density, weldability and typical applications.
Fractional Inch to Decimal and mm Chart
Every 1/32 inch from 1/32 to 1 inch with decimal inches and exact millimetres, searchable and exportable.
Pipe NPS Schedule 40 and 80 Dimensions and Weight Reference
NPS 1/2 to 12 with DN, outside diameter, Schedule 40 and 80 walls and calculated steel weight per metre.
Metric Bolt Property Class Reference (ISO 898-1)
Strength values for the common metric bolt property classes with a computed yield-to-tensile ratio.
Thermal Expansion and Elastic Modulus by Material
Typical CTE and elastic modulus for common metals and plastics, with growth per metre for a 100 degree C rise.
Steel Sheet Gauge Thickness and Weight Chart
Gauge to thickness in inches and mm with calculated carbon steel weight per area.
IP Ingress Protection Code Reference (IEC 60529 and ISO 20653)
Look up the two digits of an IP code under IEC 60529 and the automotive IP6K9K style ratings, with a plain summary of each test.
IP Ingress Protection Code Reference (IEC 60529)
Look up what every IP digit means for solids and liquids, so enclosure, motor and sensor specs on your machine are unambiguous.
IEC 60204-1 Wire and Pushbutton Colour Reference
Conductor, pushbutton and indicator lamp colours used in machine control panels, in one searchable chart.
China Steel, Aluminium and Copper Grade Equivalents Reference
Cross-reference common Chinese material grades to approximate AISI/ASTM and EN designations before you accept a substitution.
AS568 O-Ring Dash Size Reference
Look up AS568 dash numbers with nominal inside diameter, cross-section, outside diameter and metric equivalents for the common series.
PTFE Seal Material Selection Reference
Compare virgin and filled PTFE compounds used in rod seals, piston seals and backup rings, with typical uses, strengths and limits.
Fiber Laser Cutting Speed and Pierce Time Indicative Reference
Indicative speed and pierce time ranges for common sheet and plate thicknesses on a 6 kW class fiber laser, for early estimating only.
Rubber Durometer and Elastomer Compound Reference
A searchable lookup of common elastomers with ASTM D1418 abbreviations, typical Shore A hardness, specific gravity, service temperature and fluid compatibility notes.
Casting Alloy Density and Pour Temperature Reference
Look up density, pounds per cubic inch, approximate liquidus and typical pour temperature ranges for common iron, steel, aluminum, zinc, magnesium and copper casting alloys.
Electrochemical Equivalents and Plating Efficiency Reference
Look up atomic weight, valence, density, electrochemical equivalent and typical efficiency range for common plating metals.
Welding Process Deposition Efficiency and Operating Factor Reference
Planning ranges for deposition efficiency, operating factor, deposition rate and typical use by arc welding process.
Spring Wire Material Properties Reference
Look up shear modulus, elastic modulus, density and typical upper service temperature for common spring wire materials.
Gear Module and Diametral Pitch Reference Table (ISO 54)
Preferred and second-choice metric modules with equivalent diametral pitch, circular pitch, addendum and whole tooth depth for full-depth gears.
Composite Fiber and Matrix Typical Properties Reference
Searchable table of typical density, tensile modulus and strength for common reinforcing fibers and matrix resins, for early sizing and rule-of-mixtures inputs.
GD&T Characteristic, Datum and Tolerance Zone Reference
Searchable table of the 14 ASME Y14.5 geometric characteristics and key modifiers, with datum requirement, zone shape and when MMC or LMC is allowed.
AM, MIM and PM Material Density and Process Reference
Lookup table of common AM, MIM and PM alloys with density, available routes and notes, for mass and cost calculations.
Checklists
SAP Engineering Change Number Checklist
Walk through a change master from reason and effectivity to affected objects and release so no BOM, routing or document is changed without a number.
Sheet Metal DFM Design Review Checklist
A pre-release checklist for sheet metal parts covering cutting, bending, hardware, tolerance and finishing issues that cause rework and quote changes.
Engineering Drawing Review Checklist
A tickable checklist for checking a manufacturing drawing before release: title block, dimensions, tolerances, GD&T, notes and revision.
Design for Manufacturing Tolerance Review Checklist
A pre-release checklist for reviewing tolerances on a drawing for manufacturability, function and inspectability.
Engineering Design Review Checklist
A scored checklist for design reviews covering requirements, manufacturability, supply chain, test and release readiness.
ECO Implementation and Closure Checklist
Verify that BOMs, drawings, stock, suppliers, work instructions and quality records are all updated before you close an engineering change.
Engineering Change Implementation Readiness Checklist
Pre-release checklist covering documents, stock disposition, suppliers, ERP data, shop floor and quality actions for an engineering change order.
Design for Manufacturability Review Checklist
Design review checklist covering tolerances, materials, processes, assembly, inspection, supply chain and cost for a new or changed part.
Electronics BOM Scrub Checklist
A grouped checklist for scrubbing an electronics BOM before RFQ or release: data integrity, sourcing, lifecycle, compliance and assembly readiness.
Assessments
GD&T Readiness Assessment for Design Teams
Score how well your team applies GD&T and tolerancing practice, from training and standards to supplier feedback and inspection alignment.
Engineering Change Management Maturity Assessment
Ten-question self-assessment that scores how controlled your engineering change process is and gives practical next steps for your score band.