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Engineering Calculator Dashboard

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121Tools & references
15Categories
28Online calculators
ZHFully localized UI
Description:This dashboard is the unified entry point for all tools on this site; all items are on-site pages that open on click (no new tab).
entries marked “Online calculators” jump to the corresponding calculator on the Software Tools page and expand automatically; reference material and business/field modules have all been built as site topic pages.
Tools · Tools27
Engineering calculation dashboard
Dashboard
This page — the single entry point for all tools & references.
Heat-up time calculator
Heat-Up Calculator
Estimates heat-up time and energy consumption from charge mass, specific heat, power and heat loss.
Burner selection
Burner Sizing
Calculates burner power and quantity from furnace-chamber heat load and thermal efficiency.
Gas piping calculation
Gas Pipe Sizing
Determines gas pipe size and safety valve train from flow, pressure drop and flow velocity.
Carbon-potential calculator
Carbon Potential Calculator
Converts oxygen-probe millivolts into furnace-atmosphere carbon potential and carburising atmosphere.
Vacuum leak-rate calculator
Vacuum Leak Rate Calculator
Calculates vacuum-chamber leak rate and leak-test verdict from a pressure-rise test.
Economic comparison
Economic Comparison
Compares operating cost and payback period of several options side by side.
Furnace-wall heat-loss calculator
Furnace Wall Calculator
Multi-layer furnace lining heat transfer, heat loss and outer-surface temperature calculations.
Saved items
Saved Projects
Save, load, copy and export calculation configurations.
Material data library
Materials Database
Define material thermal properties yourself (thermal conductivity, specific heat, density, etc.).
Quick-reference tables / cheat sheets
Quick Reference / Cheat Sheet
hardnessconversion、Thermocouplegraduation、commonly usedformulaquick reference。
Fault diagnosis wizard
Troubleshooting Wizard
Step-by-step troubleshooting of furnaces and temperature-control system faults by BMS / gas-valve power supply.
Unit converter
Unit Converter
One-click conversion of temperature, pressure, power, length and other units.
Furnace-body heat-loss calculator
Furnace Heat Loss Calculator
Steady-state heat transfer through multi-layer linings: heat flux, shell temperature, zoned heat loss and energy cost.
Timer / stopwatch
Timer / Stopwatch
Process insulation, heat-up ramps and stepped-soak timing with reminders.
Furnace-dryout curve generator
Dry-Out Schedule Generator
Generates furnace dryout heat-up–soak curves per refractory-castable specifications.
Heat-treatment process recipes
Heat Treatment Recipes
Generates harden–temper cycles by steel grade (e.g. EN19/EN24).
Carbon-diffusion simulator
Carbon Diffusion Simulator
Simulates carburising carbon-concentration profiles using Fick’s law and the error function.
Case-depth calculator
Case Depth Calculator
Estimates effective case depth from carburising time and carbon potential.
Electrical fault finder
Electrical Fault Finder
Troubleshoots heating-element, contactor and power-supply circuit faults.
Hardness prediction calculator
Hardness Prediction Calculator
Predicts post-temper hardness from Hollomon-Jaffe tempering parameters.
Materialcompare
Material Comparison
Compares the thermal and mechanical properties of several materials side by side.
Gas consumption calculator
Gas Consumption Calculator
Calculates natural-gas / LPG consumption and operating cost for the duty.
Thermal-expansion calculator
Thermal Expansion Calculator
Estimates expansion of steel / stainless steel / aluminium from the linear expansion coefficient.
Valve Cv/Kv selection
Valve Cv/Kv Sizing
Determines modulating-valve Cv/Kv from flow, differential pressure and medium.
Insulation-thickness optimiser
Insulation Thickness Optimizer
Optimises insulation thickness and heat-loss cost by the economic-thickness method.
Engineering assistant (AI)
Engineering Assistant (AI)
Conversational engineering assistance for furnace, kiln and heat-treatment questions.
Fabrication and piping calculators
Fabrication & Pipe Calculators
Sheet-metal and piping unfolding plus elbow fabrication calculation tools.
Reference material · Reference16
Furnace atmospheres
Furnace Atmospheres
Endothermic / exothermic / nitrogen-based / hydrogen / vacuum / argon atmosphere processes.
gassystemreference
Gas Systems Reference
Gas manifolds, safety shut-off, combustion management and IGEM standards.
Heat-treatment processes
Heat Treatment Processes
Quench & temper, carburising, nitriding, annealing, solution treatment and post-weld heat treatment.
Furnace-type guide
Furnace Types Guide
Structure and applications of box, pit, vacuum and continuous furnaces.
Instrument reference
Instrumentation Reference
Thermocouples, temperature controllers, oxygen probes and AMS 2750 / CQI-9.
vacuumsystemreference
Vacuum Systems Reference
Vacuum pumps, hot zones, leak detection and vacuum maintenance essentials.
Quenching systems
Quenching Systems
Cooling characteristics of oil, gas, polymer and salt-bath quenching.
Knowledge base / common issues
Knowledge Base / FAQ
Typical steel-grade processes, case-depth calculations and standard answers.
Maintenance plan
Maintenance Schedules
Daily, weekly, monthly and annual preventive-maintenance plans.
wiring diagram
Wiring Diagrams
Thermocouple, temperature-controller and power-supply circuit wiring diagrams.
Spare-parts cross-reference
Spare Parts Cross-Reference
Equivalent replacements and interchange lookup for spare parts of each brand.
partslibrary（3D model）
Parts Library (3D Models)
3D models and drawings of heat exchangers, charge frames and other parts.
PID tuning guide
PID Tuning Guide
Methods for tuning proportional–integral–derivative controller parameters.
Flue-gas analysis
Flue Gas Analysis
Combustion efficiency, O₂/CO₂/CO/NOx and excess-air ratio.
emissivityreference
Emissivity Reference
Material surface radiation emissivity and Stefan–Boltzmann heat transfer.
Weldingreference
Welding Reference
MIG/TIG/electrode/flux-cored/submerged-arc welding processes and standards.
Atmospheres · Atmospheres6
Endothermic atmosphere
Endothermic Atmosphere
Carrier gas for carburising and carbon-potential control.
Exothermic atmosphere
Exothermic Atmosphere
Lean/rich gas for bright annealing and copper brazing.
Nitrogen-based atmosphere
Nitrogen-Based Atmospheres
Methanol cracking and nitrogen-based protective atmospheres.
Hydrogen atmosphere
Hydrogen Atmosphere
Reducing atmosphere for stainless steel and bright annealing.
Vacuum treatment
Vacuum Processing
Partial-pressure brazing, sintering and heat treatment.
Argon atmosphere
Argon Atmosphere
Protection of active metals such as titanium and nickel-based high-temperature alloys.
gassystem · Gas Systems4
Noxmat gasmanifold
Noxmat Gas Trains
Gas-manifold configuration, installation and commissioning.
Kromschroder BCU fault codes
Kromschroder BCU Fault Codes
Burner-manager fault-code diagnosis and LED indication.
Eclipse burners
Eclipse Burners
Regenerative, radiant-tube and immersed burners.
IGEM standard
IGEM Standards
IGEM UP/2, UP/4 and UP/10 gas-safety installation standards.
Heat Treatment · Heat Treatment6
Quench and temper
Hardening & Tempering
Austenitising, quenching and martensite/bainite structures.
carburizing
Carburising
Gas/pack carburising, carbon potential and case depth.
Nitriding
Nitriding
Gas / ionisation nitriding and ferritic nitrocarburising.
annealing
Annealing
Full / spheroidising / stress-relief / recrystallisation annealing.
Solution treatment
Solution Treatment
Solution treatment and ageing of aluminium alloys such as T6.
Post-weld heat treatment (PWHT)
PWHT
Stress relief per BS EN 13480 / PD 5500.
Furnace Types · Furnace Types4
Box furnace
Box Furnaces
Batch chamber, front-loading and sealed-quench structures.
Pit furnace
Pit Furnaces
Top-loading, carburising and nitriding of long-piece processing.
vacuum furnace
Vacuum Furnaces
Horizontal/vertical, graphite and molybdenum hot-zone structures.
Continuous furnace
Continuous Furnaces
Mesh-belt, pusher, walking-beam and roller-hearth furnaces.
Instrumentation · Instrumentation6
Thermocouple Type
Thermocouple Types
K/J/N/R/S/B/T/E/C type graduation and characteristics.
Temperature controller
Temperature Controllers
PID, self-tuning, ramping and multi-segment programs.
AMS 2750 requirement
AMS 2750 Requirements
Furnace-temperature uniformity, SAT and TUS instrument requirements.
CQI-9 temperature measurement
CQI-9 Pyrometry
AIAG automotive heat-treatment temperature-system assessment.
Oxygen probe
Oxygen Probes
Zirconia sensor, carbon potential and mV signal.
Vacuum gauges
Vacuum Gauges
Pirani, thermocouple, Penning, ionisation and capacitance vacuum gauges.
vacuumsystem · Vacuum Systems4
Vacuum pumps
Vacuum Pumps
Rotary-vane, Roots, diffusion, turbomolecular and dry pumps.
Hot zone
Hot Zones
Graphite felt, molybdenum shields, heating elements and load-support rails.
leak detection
Leak Detection
Helium mass spectrometry, pressure-rise method and vacuum leak-test verdict.
vacuummaintenance
Vacuum Maintenance
Oil changes, O-rings, diffusion-pump fluid and maintenance.
Quenching · Quenching5
Oil quenching
Oil Quenching
Cold/hot oil, martempering and austempering.
Gas quenching
Gas Quenching
Nitrogen / argon / helium, atmospheric-pressure and high-pressure gas quenching.
Polymer quenching
Polymer Quenching
PAG / AQ251 solution concentration and cooling curves.
Salt-bath quenching
Salt Bath Quenching
Nitrate-salt austempering, bainite and martensite isothermal treatments.
Quenching fault elimination
Quench Troubleshooting
Distortion, cracking, soft spots and hardness non-uniformity.
safety · Safety4
Safety and compliance
Safety & Compliance
PUWER、LOLER、COSHH、DSEAR and PPE。
Confined-space entry
Confined Space Entry
Work permits, atmosphere detection and rescue.
ATEX / DSEAR
ATEX / DSEAR
Explosive-atmosphere zoning and Ex markings.
Gas monitoring
Gas Monitoring
Portable/fixed detection of harmful gases such as CO.
Knowledge Base · Knowledge Base4
EN19 quenching
EN19 Hardening
709M40 / 4140 harden–temper 840–860°C / 200–650°C.
Case-depth calculation
Case Depth Calculation
Harris equation, carburising time and the carbon-potential relationship.
vacuumbrazingfillerMetal
Vacuum Brazing Filler Metals
BNi, BAISi, BAg and other nickel-/aluminium-base filler metals.
AMS 2750 furnace classes
AMS 2750 Furnace Classes
Classes 1–6 uniformity (3/6/10/15/25°C).
Business · Business1
work order（Jobs）
Jobs
Kanban-style work-order workflow: accept—schedule—complete—invoice.
Field Work · Field Work9
Service report
Service Reports
Field work orders, job sheets and maintenance records.
Service checklist
Service Checklist
Pre-service safety checks for equipment such as vacuum furnaces.
Commissioning checklist
Commissioning Checklists
Gas/electrical/vacuum furnace start-up commissioning.
TUS uniformitysurveyrecord
TUS Survey Logger
AMS 2750 / CQI-9 temperature-uniformity survey.
Documents and permits
Documents & Permits
Risk assessment, work permits, hot work and LOTO lockout.
Furnace log
Furnace Log Book
Daily furnace temperature, atmosphere, charge and operating records.
Calibration Tracking
Calibration Tracker
Instrument, thermocouple and controller calibration due-date reminders.
Furnace asset ledger
Furnace Asset Register
Equipment list, customers, serial numbers and documents.
Cost tracking
Expense Tracker
Invoice photos, OCR, suppliers and VAT collection.
Fabrication · Fabrication10
Cylinder unfolding
Cylinder Development
Flat-pattern calculation for pipe/cylinder development.
Cone / truncated-cone unfolding
Cone / Frustum Development
Sector development of cones and truncated cones.
Lobster-back elbow
Pipe Elbow (Lobster Back)
Segmental mitred-elbow layout.
Saddle / fish-mouth cut
Saddle / Fish Mouth Cut
Branch-to-header saddle intersection cuts.
Square-to-round transition
Rect-to-Round Transition
Block development of rectangular-to-round transition sections.
Plate-rolling calculator
Plate Rolling Calculator
Three-roll plate-bending force, radius and springback cycles.
Pipe-bending calculator
Pipe Bending Calculator
Pipe-bending developed length, wall-thickness thinning and ovality.
Sheet-metal bend allowance
Sheet Metal Bend Allowance
K-factor, bend deduction and developed length.
Rolled-offset calculation
Rolling Offset Calculator
Travel, span and elevation of pipe offsets.
Mitre-cut calculation
Mitre Cut Calculator
Single/multiple mitre angles and gaps.
Welding · Welding15
MIG / GMAW Welding
MIG / GMAW Welding
Consumable-electrode gas-shielded welding, wire feeding and spray transfer.
TIG / GTAW Welding
TIG / GTAW Welding
Gas-tungsten-arc welding, manual and pulsed.
electrode / SMAW Welding
Stick / SMAW Welding
manualarc welding、E7018 / E6013 electrode。
FCAW Welding
FCAW Welding
flux-coredwelding wire、self-shielded and gas-shielded。
SAW Welding
SAW Welding
Submerged-arc welding, high-deposition-rate applications.
Filler-metal guide
Filler Metal Guide
ER70S / ER308L / ER316L / ERNi and other filler metals.
Shielding-gas guide
Shielding Gas Guide
Ar/CO₂/He mixtures and flow, back-side protection.
jointdesign and pre-weldpreparation
Joint Design & Weld Prep
Butt, corner, groove and root-gap joints.
Welding positions
Welding Positions
1G-6G / PA-PG position definitions.
Carbon equivalent (CE)
Carbon Equivalent (CE)
IIW carbon equivalent, cold-cracking tendency and preheat.
Preheat guide
Preheat Guide
Determines preheat temperature from material thickness.
PWHT guide
PWHT Guide
Post-weld heat-treatment temperatures for P91/P22 etc.
Welding defects
Weld Defects
Porosity, lack of fusion, incomplete penetration, undercut and spatter.
NDE / NDT method
NDE / NDT Methods
Visual VT, magnetic-particle MT, penetrant PT and other inspections.
Weldingstandard
Welding Standards
AWS D1.1、ASME IX、EN ISO 15614 / 9606。
Terms of use and disclaimer:Calculator results are for scheme justification and preliminary design reference only; final design must be confirmed against relevant national standards, equipment datasheets and engineer sign-off.
SI units are used; proprietary names (e.g. AMS 2750, CQI-9, IGEM, ATEX, MIG/TIG, Kromschroder, Eclipse, Noxmat) are kept in the original.
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Email: yanghui@dingluxuan.com
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