THE INFLUENCE OF CHIP TRANSPORT DIRECTION ON THREAD TAP-PING OF PEHD1000 AND M980 PLASTIC MATERIALS

Sandor RAVAI-NAGY, Alina Bianca POP, Ioan PAȘCA

Abstract


This study delves into the influence of chip transport direction on the cutting torque and feed force during thread tapping of PEHD1000 and Sika Block M980 material, shedding light on critical machining parameters. Our primary objective was to compare and analyze the cutting torque and feed force variations between two distinct chip transport directions – forward in the feed direction and opposite to it – while threading with M8 taps. The findings reveal that chip transport direction significantly impacts the cutting torque, with forward transport resulting in higher torque values. Additionally, it is observed varying degrees of burrs and thread quality, offering insights for tap selection. This research underscores the importance of considering chip flow direction in machining processes.

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References


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