Libreng Engineering Tools
298 Engineering Calculators
Mga propesyonal na online na kasangkapan para sa pagsusuri ng vibration, pag-balanse ng rotor, mga bearing, drives, hydraulics, metrolohiya, at 25+ pang disiplina sa inhinyeriya. Pinapagana ng mga internasyonal na pamantayan.
298 Calculators
33 Categories
100+ Standards
Libre & Walang Pagpaparehistro
298 calculators
1
Vibration, Pag-balanse & 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
Pinapayagang Natitirang Kawalang-balanse
ISO 21940-11
Tagapagkalkula ng Pagsubok na Timbang
Pinahihintuluting Bilis ng Vibrasyon
ISO 10816
Pinahihintuluting Displacement ng Vibrasyon
ISO 1940
Pinahihintuluting Acceleration ng Vibrasyon
ISO 20816
Tagapag-convert ng Yunit ng Vibrasyon (mm/s, μm, g, dB)
Puwersa ng Centrifugal mula sa Kawalan ng Balanse
Harmonic Frequency Calculator (RPM → Hz)
Kritikal na Bilis ng Rotor
Influence Coefficient (Pag-balanse)
Pagkakabuo ng Correction Mass (2 Plane)
Blade Correction Calculator (Fixed Positions)
Vibration Isolation Transmissibility
Overall Vibration Level
Campbell Diagram (Interference Map)
Coupling Unbalance Tolerance
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
Vibration ng Bearing (Anderon)
ISO 15242
Proximity Probe Setup
ISO 10817-1
Vibration Instrument Class Verification
ISO 2954
Identifier ng Vibration Source ayon sa Frequency
Natitirang Buhay mula sa Vibration Trend
2
Vibration Diagnostics — Defect Frequencies
8 calculators
035
036
037
038
039
040
041
042
Bearing Defect Frequencies (BPFO/BPFI/BSF/FTF)
Gear Mesh Frequency (GMF + Sidebands)
Blade Pass Frequency (BPF)
Belt Drive Defect Frequencies
Motor Electrical Defect Frequencies
Roller Chain Defect Frequencies
Journal Bearing Frequencies (Oil Whirl/Whip)
Pump Cavitation Frequency
3
Bearings
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
Bearing Minimum Load
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
Lakas ng Press-Fit para sa Bearing
4
Mga Bukal, Pag-amortisya & Pakikipag-isola sa Vibrasyon
10 calculators
059
060
061
062
063
064
065
066
067
068
Natural na Frequency (Mass-Spring System)
Critical Speed ng Spring (Surging)
Pagpili ng Spring ayon sa Target Frequency
Equivalent Spring Stiffness
Pagpili ng Vibration Mount
Disenyo ng Compression Spring
Calculator para sa Rubber Mount
Calculator para sa Damping Ratio
Vibration Isolation ng Machine (Kumpletong Disenyo)
Disenyo ng Balancing Platform
5
Mga Shaft & Rotor
11 calculators
069
070
071
072
073
074
075
076
077
078
079
Deflection ng Rotor sa Supports
Shaft Radial Runout
Diameter ng Shaft (Torsion Design)
Deflection ng Shaft sa Ilalim ng Load
Moment of Inertia ng Rotor
Calculator para sa Keyway Connection
ISO 773
Calculator para sa Spline Connection
ISO 4156
Calculator para sa Press Fit
Calculator para sa Ball Screw
ISO 3408
Oras ng Acceleration/Deceleration ng Rotor
Calculator para sa Flywheel Energy
6
Mga Kouplingan & Pagkakahanay
5 calculators
7
Mga Drive & Paghahatid ng Kapangyarihan
14 calculators
085
086
087
088
089
090
091
092
093
094
095
096
097
098
Torque — Power — Speed
Gear Ratio Calculator
Belt Drive Calculator (Length & Center Distance)
V-Belt Calculator
ISO 5288
Timing Belt Calculator (HTD, GT)
ISO 1081
Belt Tension Calculator
Chain Drive Calculator
Roller Chain Calculator
ISO 606
Multi-Stage Drive Efficiency
Spur Gear Calculator
ISO 6336
Gear Accuracy Class
ISO 1328-1
Worm Gear Calculator
Brake Torque Calculator
Power Unit Converter (kW, hp, Nm·RPM)
8
Mga Fastener & Nakakulong na Kasama
14 calculators
099
100
101
102
103
104
105
106
107
108
109
110
111
112
Bolt Tightening Torque
Bolt Tensile & Shear Strength
Bolt Preload Calculator
Flange Bolt Calculator
Thread Size Converter (M/UNC/UNF/BSW)
Metric Thread Dimensions (ISO)
ISO 261/724
Mga Klase ng Lakas ng Perno (4.6–12.9)
ISO 898-1
Mga Klase ng Lakas ng Tuerca
ISO 898-2
Mga Dimensyon ng Perno at Timbang
ISO 4014/4017
Socket Head Cap Screw (SHCS)
ISO 4762
Pagpili ng Washer
ISO 7089/7090
Kalkulador para sa Rivet Joint
Torque ng Stud Bolt
Hydraulic Wrench Torque (Presyon → Torque)
9
Welding
3 calculators
10
Seals
3 calculators
11
Mga Elektrikong Motor & Teknikal na Elektrisidad
14 calculators
119
120
121
122
123
124
125
126
127
128
129
130
131
132
Cable Cross-Section ayon sa Agos at Haba
Three-Phase Motor Power
Motor Starting Current
Kalkulador ng VFD Selection
Voltage Drop Calculator
Ohm's Law Calculator
Power Factor Correction (cos φ)
Pagpili ng Circuit Breaker
Braking Resistor para sa VFD
Grounding Calculator
Motor Capacitor (Single-Phase)
Motor Slip & Tunay na RPM
Motor Nameplate Current (FLA)
Motor Torque mula sa Current
12
Hydraulics
10 calculators
133
134
135
136
137
138
139
140
141
142
Hydraulic Cylinder Calculator
ISO 3320
Pipe Pressure Drop
Reynolds Number Calculator
Valve Flow Coefficient (Kv/Cv)
Diameter ng Tubo ayon sa Flow Rate
Pipe Flow Velocity
Hydraulic Valve CETOP Dimensions
ISO 4401
Hydraulic Oil Cleanliness Class
ISO 4406
Engine Parameters (Power, Consumption)
ISO 3046
Hydraulic Accumulator Calculator
13
Pneumatics
6 calculators
14
Mga Pipeline & Balbula
6 calculators
15
Mga Bomba & Tagahihip
9 calculators
16
Strength of Materials
10 calculators
164
165
166
167
168
169
170
171
172
173
Beam Bending Calculator
Section Moment of Inertia
Stress Calculator (Tension/Compression/Shear)
Safety Factor Calculator
Euler Buckling Calculator
Thermal Stress Calculator
Fatigue Life Calculator (S-N Curve)
Hertz Contact Stress
Thin-Wall Pressure Vessel
Stress Concentration Factor (Kt)
17
Thermodynamics & Paglipat ng Init
8 calculators
18
Metrolohiya, Mga Toleransya & Umaangkop
12 calculators
182
183
184
185
186
187
188
189
190
191
192
193
Shaft-Hole Fit Calculator
ISO 286
Pangkalahatang Toleransya (Linear at Angular)
ISO 2768-1
Pangkalahatang Toleransya (Anyo at Posisyon)
ISO 2768-2
Converter ng Kagaspangan ng Ibabaw (Ra/Rz)
ISO 4287
Mga Simbolo ng Surface Roughness sa mga Drawing
ISO 1302
GD&T Tolerance Reference
ISO 1101
GPS Dimensional Tolerances
ISO 14405-1
Kalkulador ng Tolerance Stack-Up
Converter ng Wire Gauge (AWG/mm²/SWG)
Prinsipyo ng Tolerance Independence
ISO 8015
Mga Parameter ng Ibabaw (Ra, Rz, Rq, Rt)
ISO 21920
Converter ng Katigasan (HRC/HB/HV/HRB)
19
Materials Science
7 calculators
20
Pagpapagana & Mga Langis
5 calculators
21
Pag-makina & Mga Makina para sa Pag-makina
7 calculators
22
Akustika & Ingay
4 calculators
23
Pagangat & Rigging
4 calculators
24
Mga Simporta & Pag-install ng Kagamitan
5 calculators
25
Maintenance Practice
8 calculators
26
Industry-Specific Calculators
12 calculators
234
235
236
237
238
239
240
241
242
243
244
245
Disbalanse ng Cardan Shaft
Mga Timbang sa Pagbabalanse ng Gulong
Runout ng Disc ng Preno
Bilis sa Tuktok — Mulcher / Shredder
Puwersang Sentrifugal ng Martilyo (Crusher)
Pagbabalanse ng Hammer Mill
Unbalance ng Propeller (Marine)
Pagbabalanse ng Separator / Centrifuge
Disbalanse ng Spindle ng Machine Tool
Vibrasyon ng Pundasyon mula sa Makina
Puwersang Sentrifugal ng Paleta ng Bentilador
G-Force ng Centrifuge (RCF)
27
General Engineering Converters
9 calculators
28
Mga Pamantayan & Kasangkapan para sa Pagsunod
13 calculators
253
254
255
256
257
258
259
260
261
262
263
264
265
Decoder ng IP Rating
IEC 60529
Flange P-T Rating
ASME B16.5
Tagapangkat ng Pagkabigo ng Kagamitan
ISO 14224
Motor Efficiency IE1–IE5
IEC 60034-30-1
Selector ng CM Method
ISO 17359
Pagkakabuo ng Safety Valve
ISO 4126
Balancing Machine Sensitivity
ISO 21940-31
Mga Limitasyon sa Thermography
ISO 18434
Decoder ng Ex Marking
IEC 60079
Talahanayan ng AQL Sampling
ISO 2859-1
Gage R&R
ISO 5725
Measurement Uncertainty
ISO 17025
Matrix ng Pagsusuri ng Panganib
ISO 45001
29
Advanced na Vibrasyon & Diagnostika
7 calculators
30
Mga Tool para sa Kuryenteng Motor
5 calculators
31
Mga Praktikal na Tool sa Larangan
6 calculators
32
Karagdagang mga Converter
7 calculators
33
Partikular sa Industriya (Pinalawak)
8 calculators
291
292
293
294
295
296
297
298
Pagbalanse ng Roll sa Paggawang Papel
Vibration ng Tagapahigop sa Cooling Tower
Pagbalanse ng Rotor sa Crusher
H₂S Material Check
ISO 15156
Pumili ng Paraan ng NDT
ISO 9712
Sisidlan ng Presyon (EN 13445)
EN 13445
Pagtuklas ng PN/Klase ng Flange
Rate ng Paglalabas ng Tubig sa Balbula
ISO 5208
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