Trench cutter teeth

Round-shank CWT teeth.

CWT-H1, CWT-1 and CWT-C1 share the catalogue dimensions below, while the illustrated upper-body profiles differ. The H1 illustration has a ridged ring zone; CWT-1 has a plain profile; CWT-C1 shows a dark upper-body band. The band material is not specified in the supplied catalogue.

CWT-H1

Illustrated with a ridged ring zone below the carbide tip.

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CWT-1

Plain-profile reference shown without the ridged zone.

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CWT-C1

A dark upper-body band distinguishes the illustration; the page does not name its material.

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Plate-profile JL / JM / JR teeth.

These are a separate shape and mounting interface from the round-shank CWT group. Select the cutting profile and wheel position from the complete assembly drawing.

JL

JL tooth profile. Match its outline and mounting interface to the selected holder drawing.

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JM

JM tooth profile. Match its outline and mounting interface to the selected holder drawing.

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JR

JR tooth profile. Match its outline and mounting interface to the selected holder drawing.

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A recorded CWT-1 application.

The rotary-drilling brochure documents CWT-1 in granite at the TianGui Intercity Railway project, Guangzhou, in December 2023. No timed comparison or measured wear result is provided.

For a trial on another wheel, record the initial tooth layout and inspect fixed positions after defined drilling intervals. Include holder rotation or movement where applicable, steel loss beneath the carbide and the condition of the cutting edges.