Injection Mold Clamp Force Calculator
Clamp tonnage needed for an injection moulding part from projected area and pressure.
Compare Your Options And Get Clear Answers
Clamp tonnage needed for an injection moulding part from projected area and pressure.
Injection Mold Clamp Force Estimator
Enter your numbers below for an instant estimate.
How It Works
Key concepts behind this calculator
Enter Values
Fill in each field with your own numbers.
Calculate
Results update as you change the inputs.
Review
Read the breakdown and the explanation.
Adjust
Change values to compare scenarios.
Injection Quick Guide
Typical values for reference.
| Area cm2 | Bar | Safety | Clamp |
|---|---|---|---|
| 120 | 350 | 1.2 | 51.4 tonnes |
| 30 | 300 | 1.1 | 10.1 tonnes |
| 600 | 400 | 1.2 | 293.6 tonnes |
| 200 | 500 | 1.3 | 132.5 tonnes |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Injection Mold Clamp Calculator FAQ
Answers to common questions about this calculator.
It uses the formula shown with your inputs. Real prices and rules vary, so treat it as a guide.
Clamp force = projected area x cavity pressure x SF.
It is an estimate based on the inputs you enter. Check real quotes, labels or official guidance for important decisions.
Yes. Replace each input with your own figures and the result updates instantly.