Shearing, plate rolling and punching processes

Published guides in this topic

1. How to Choose Shear Blades for Hydraulic Shearing Machines: Material, Geometry, Ordering and Cost per Cut

   2026-11-10

   A replacement blade set costs far less than a new shearing machine, but the cost of choosing the wrong blades is invisible: they do not fail on the first cut, they make burrs grow, chipping arrive early and a blade last noticeably less than it should. Many shops order the same nominal size as the last set and end up consuming blades faster than the machine deserves. This guide breaks the decision into four steps that have to be taken in order: confirm which blade the machine approves, describe the material and production conditions you actually cut, choose the grade and geometry to match that work and the way the blade fails, then validate with trial cuts instead of judgement. The comparison of the four common blade materials, 9CrSi, the D2/SKD11/Cr12MoV family, 6CrW2Si and H13, is carried over unchanged, together with a checklist covering the machine drawing, the clearance setting and the true cost per cut.

2. How Plate Rolls Shape a Cylinder

   2026-10-03

   Understand continuous bending and end pre-bending before comparing three- and four-roll arrangements.

3. Electric tryout press: what it is, how it works and how to choose the right machine

   2026-10-26

   An electric tryout press is a motor-driven pressing machine built for process validation, and it differs fundamentally from a press brake in forming method. This guide explains how it works, what it is made of, how it compares with a production stamping press, what it does and does not do well, what drives the price, and which questions to settle before buying.