Heavy-Duty Sink Stamping Punch Die For Deep Basin Forming

The sink stamping punch die needs a large hydraulic press, often above 300 tons, to deliver the drawing force. A blank holder clamps the outer edge of the sheet first, then the punch moves down into the female cavity. The stainless steel flows under high pressure and takes the shape of a sink basin in one smooth stroke. Separate trimming and hole-punching operations follow.

The die body uses heavy cast iron and alloy steel to absorb forming stress without bending. Wear plates at the guiding points are replaceable, so the main frame lasts a very long time. Because stainless steel hardens as it stretches, we keep the draw corner radius large enough to prevent cracking, and we recommend a steady, controlled press speed.

This sink stamping punch die produces basins up to 200 millimeters deep. Routine care includes checking clamp bolts for tightness and lightly polishing the draw surface after long runs. With proper use, the die helps a sink producer maintain consistent basin dimensions, lower the scrap rate, and meet delivery schedules for kitchen and bath brands.