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In thermoforming process, it is very difficult to control thickness of moulded parts or sheets.

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in Casting-Forming-Welding II by (119k points)
In thermoforming process, it is very difficult to control thickness of moulded parts or sheets.

(a) True

(b) False

The question was posed to me in a job interview.

I'm obligated to ask this question of Blow Moulding and Thermoforming topic in chapter Moulding with Polymers of Casting-Forming-Welding II

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Best answer
The correct option is (a) True

The best explanation: In thermoforming process, the tooling is mainly cheap to produce, but the process leaves small marks on the moulded sheets that can be controlled. But the main quality control issue possesses non-uniform thickness of parts or sheets which are difficult to handle, this may also result in warping or tearing of the moulded sheet.

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