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| Comparison Over Traditional Cutting / Machining Methods |
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Waterjet |
EDM |
Laser |
Plasma |
Gas Cutting |
| Thikness |
++ |
++ |
- |
++ |
++ |
| Diversity |
++ |
- |
+ |
-- |
- |
| Quality - Surface Finished |
++ |
++ |
+ |
- |
-- |
| Saving Findhing Operation |
+ |
++ |
+ |
- |
-- |
| Speed |
- |
-- |
++ |
++ |
+ |
| Universality |
++ |
-- |
+ |
- |
- |
| Environmental Friendliness |
++ |
-- |
-- |
-- |
-- |
| Flaxibility |
++ |
- |
+ |
- |
-- |
| Heat Affected Zone |
++ |
++ |
- |
- |
-- |
| Metalurgical Damage |
++ |
++ |
- |
-- |
-- |
| Total Processing Time |
++ |
++ |
+ |
- |
-- |
| Operation Cost |
- |
+ |
- |
+ |
++ |
| Investment Cost |
100% |
60% |
200% |
80% |
40% |
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Advantage of waterjet cutting over lASER cutting |
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Can cut many materials LASER cannot |
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Gives the same or better tolerances/accuracy |
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Can cut thicker materials |
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Makes uniformity of material less important |
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Advantage of waterjet cutting over EDM cutting |
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Is much faster. |
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Is able to cut wider range of materials. |
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Makes uniformity of material less important. |
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Does not heat the surface. |
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Creates no heat – affected zone. |
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Advantage of waterjet cutting over Plasma Cutting |
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Produces a nicer edge finish. |
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Does not heat the part. |
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Is more precise. |
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Advantages of waterjet cutting over flame cutting |
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Produces a nicer edge finish. |
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Does not heat the part. |
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Is more precise. |
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Advantage of waterjet cutting over Milling Cutting |
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Needs no tool. |
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Can machine brittle, pre-hardened and difficult materials. |
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Can produce more parts out of same material. |
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Advantage of waterjet cutting over Punch Press Cutting |
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Is better on thick materials. |
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Is better on brittle materials. |
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Is better on hardened materials. |
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