Difference from conventional method | Process method

The conventional method	New proposal, Ultrasonic trimming
Water jet trimming The initial cost and running cost is high. Drainage treatment is necessary. The working environment becomes worse.(The cutting dust and water might be scattered)	Greatly reduced running cost. Even if the place does not cut into the rear of the location where you want to cut, can be processed only on the surface. Low noise and small layout. Reduce the maintenance-hours since the expendables are the cutter and its holder only. No cutting dust (Gentle to the environments)
Laser trimming The initial cost and running cost is high. There is a risk of occurrence of fire. A foul smell might be given.
Die trimming The design modification of the product is hard. Special Dies are required in the respective. The maintenance works of the die is hard.

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