Free Engineering Tools
298 Engineering Calculators
Professional-grade online tools for vibration analysis, rotor balancing, bearings, drives, hydraulics, metrology, and 25+ more engineering disciplines. Powered by international standards.
298 Calculators
33 Categories
100+ Standards
Free & No Registration
298 calculators
1
Vibration, Balancing & Condition Monitoring
34 calculators
001
002
003
004
005
006
007
008
009
010
011
012
013
014
015
016
017
018
019
020
021
022
023
024
025
026
027
028
029
030
031
032
033
034
允許殘餘不平衡
ISO 21940-11
試重計算器
Permissible Vibration Velocity
ISO 10816
Permissible Vibration Displacement
ISO 1940
Permissible Vibration Acceleration
ISO 20816
Vibration Unit Converter (mm/s, μm, g, dB)
不平衡產生的離心力
Harmonic Frequency Calculator (RPM → Hz)
轉子臨界轉速
Influence Coefficient (Balancing)
Correction Mass Decomposition (2 Planes)
Blade Correction Calculator (Fixed Positions)
Vibration Isolation Transmissibility
整體振動等級
Campbell Diagram (Interference Map)
聯軸器不平衡公差
Vibration Sensor Sensitivity
Vibration Phase Angle
Vibration Zones A/B/C/D by Machine Type
ISO 20816-1
Vibration: Steam Turbines & Generators >40 MW
ISO 20816-2
Vibration: Industrial Machines 15 kW–50 MW
ISO 20816-3
Vibration: Gas Turbines
ISO 20816-4
Vibration: Hydro Turbines & Pump Units
ISO 20816-5
Vibration: Reciprocating Compressors
ISO 20816-8
Vibration: Gear Drives
ISO 20816-9
Vibration: Wind Turbines
ISO 20816-21
Shaft Relative Vibration
ISO 7919
Condition Monitoring Parameters
ISO 13373
Flexible Rotor Balancing Tolerances
ISO 21940-14
軸承振動 (Anderon)
ISO 15242
近接探頭設定
ISO 10817-1
振動儀器等級驗證
ISO 2954
依頻率識別振動源
根據振動趨勢預估剩餘壽命
2
Vibration Diagnostics — Defect Frequencies
8 calculators
3
軸承
16 calculators
043
044
045
046
047
048
049
050
051
052
053
054
055
056
057
058
Bearing Load Rating & L10 Life
ISO 281
Modified Bearing Life L10a
ISO 281
Bearing Static Load Rating
ISO 76
Equivalent Dynamic Bearing Load
軸承最小載荷
Bearing Fit Tolerances (Shaft/Housing)
ISO 12129
Bearing Tolerance Classes (P0–P2)
ISO 492
Bearing Internal Clearance (C2–C5)
ISO 5753
Bearing Grease Quantity
Bearing Relubrication Interval
Bearing Speed Factor (n·dm)
Bearing Thermal Expansion
Bearing Heating for Mounting
Bearing Removal Force (Puller)
Bearing Damage Classification
ISO 15243
軸承壓裝力
4
Springs, Damping & Vibration Isolation
10 calculators
5
軸與轉子
11 calculators
6
Couplings & Alignment
5 calculators
7
Drives & Transmissions
14 calculators
085
086
087
088
089
090
091
092
093
094
095
096
097
098
扭矩 — 功率 — 轉速
齒輪比計算器
Belt Drive Calculator (Length & Center Distance)
V 型皮帶計算器
ISO 5288
Timing Belt Calculator (HTD, GT)
ISO 1081
皮帶張力計算器
鏈輪傳動計算器
滾子鏈計算器
ISO 606
Multi-Stage Drive Efficiency
正齒輪計算器
ISO 6336
齒輪精度等級
ISO 1328-1
蝸輪蝸桿計算器
煞車扭矩計算器
Power Unit Converter (kW, hp, Nm·RPM)
8
Fasteners & Bolted Joints
14 calculators
099
100
101
102
103
104
105
106
107
108
109
110
111
112
螺栓鎖緊扭矩
Bolt Tensile & Shear Strength
螺栓預壓計算器
法蘭螺栓計算器
Thread Size Converter (M/UNC/UNF/BSW)
Metric Thread Dimensions (ISO)
ISO 261/724
螺栓強度等級 (4.6–12.9)
ISO 898-1
Nut Strength Classes
ISO 898-2
螺栓尺寸與重量
ISO 4014/4017
Socket Head Cap Screw (SHCS)
ISO 4762
墊圈選型
ISO 7089/7090
鉚接接頭計算器
雙頭螺桿扭矩
Hydraulic Wrench Torque (Pressure → Torque)
9
Welding
3 calculators
10
密封件
3 calculators
11
Electric Motors & Electrical Engineering
14 calculators
12
Hydraulics
10 calculators
13
Pneumatics
6 calculators
14
Piping & Valves
6 calculators
15
泵與風機
9 calculators
16
Strength of Materials
10 calculators
17
Thermodynamics & Heat Transfer
8 calculators
18
Metrology, Tolerances & Fits
12 calculators
182
183
184
185
186
187
188
189
190
191
192
193
軸孔配合計算器
ISO 286
General Tolerances (Linear & Angular)
ISO 2768-1
General Tolerances (Form & Position)
ISO 2768-2
Surface Roughness Converter (Ra/Rz)
ISO 4287
Surface Roughness Symbols on Drawings
ISO 1302
GD&T Tolerance Reference
ISO 1101
GPS Dimensional Tolerances
ISO 14405-1
Tolerance Stack-Up Calculator
Wire Gauge Converter (AWG/mm²/SWG)
Tolerance Independence Principle
ISO 8015
Surface Parameters (Ra, Rz, Rq, Rt)
ISO 21920
Hardness Converter (HRC/HB/HV/HRB)
19
Materials Science
7 calculators
20
Lubrication & Oils
5 calculators
21
Machining & Machine Tools
7 calculators
22
Acoustics & Noise
4 calculators
23
Lifting & Rigging
4 calculators
24
Foundations & Equipment Installation
5 calculators
25
Maintenance Practice
8 calculators
26
Industry-Specific Calculators
12 calculators
27
General Engineering Converters
9 calculators
28
Standards & Compliance Tools
13 calculators
253
254
255
256
257
258
259
260
261
262
263
264
265
IP 防護等級解碼器
IEC 60529
法蘭 P-T 等級
ASME B16.5
設備故障分類器
ISO 14224
Motor Efficiency IE1–IE5
IEC 60034-30-1
CM Method Selector
ISO 17359
安全閥尺寸計算
ISO 4126
動平衡機靈敏度
ISO 21940-31
熱成像限制
ISO 18434
Ex 防爆標誌解碼器
IEC 60079
AQL 抽樣表
ISO 2859-1
Gage R&R
ISO 5725
測量不確定度
ISO 17025
風險評估矩陣
ISO 45001
29
Advanced Vibration & Diagnostics
7 calculators
30
Electric Motor Tools
5 calculators
31
Practical Field Tools
6 calculators
32
Additional Converters
7 calculators
33
Industry-Specific (Expanded)
8 calculatorsCategories: