Knowledge

Here we share industry news and more about metal processing solutions as well as answers to some questions about our products

CNC press brake forming sheet metal in a manufacturing workshop

Press Brake Forming: How It Works, Materials, and Key Benefits

About Us Durmapress specializes in designing, manufacturing, and selling various metal processing equipment, including bending machines, shears, punches, and laser cutting machines. The company was founded in 2014, with years of experience and technology accumulation. DurmaPress has become one of the well-known brands in China's metal processing machinery industry. Contact Us Recent Posts Categories Follow Us Facebook-f Twitter Youtube Linkedin Instagram Weekly New Video https://www.youtube.com/watch?v=rExbe2wogNk Press brake forming is one of the most widely used processes in sheet metal fabrication.… Read More »Press Brake Forming: How It Works, Materials, and Key Benefits

fiber laser cutting machine cutting steel sheet with high precision

Laser Cutting Precision: A Complete Guide

About Us Durmapress specializes in designing, manufacturing, and selling various metal processing equipment, including bending machines, shears, punches, and laser cutting machines. The company was founded in 2014, with years of experience and technology accumulation. DurmaPress has become one of the well-known brands in China's metal processing machinery industry. Contact Us Recent Posts Categories Follow Us Facebook-f Twitter Youtube Linkedin Instagram Weekly New Video https://www.youtube.com/watch?v=rExbe2wogNkhttps://www.youtube.com/watch?v=14u5oqObVkY What Is Laser Cutting Precision and How Does It Work? Laser cutting precision refers to… Read More »Laser Cutting Precision: A Complete Guide

press brake machine maintenance in factory

Press Brake Maintenance Checklist

About Us Learn how to maintain a press brake with a practical checklist and expert tips. Improve accuracy, reduce downtime, and extend machine lifespan. Contact Us Recent Posts Categories Follow Us Facebook-f Twitter Youtube Linkedin Instagram Weekly New Video 1. Introduction In a busy fabrication shop, a press brake rarely gets the luxury of downtime. Orders are tight, tolerances are tighter, and every unexpected stop can quickly turn into lost revenue. Yet many performance issues—inconsistent bending angles, surface defects, or… Read More »Press Brake Maintenance Checklist

sheet metal bending cracks surface fracture example

Why Sheet Metal Cracks During Bending

About Us Discover why sheet metal cracks during bending and how to prevent it. Learn formulas, radius charts, and expert press brake tips for defect-free results. Contact Us Recent Posts Categories Follow Us Facebook-f Twitter Youtube Linkedin Instagram Weekly New Video 1. Introduction Cracking during sheet metal bending is one of the most frustrating and costly problems in fabrication. What starts as a small surface defect can quickly turn into full part failure, leading to scrap, rework, and production delays.… Read More »Why Sheet Metal Cracks During Bending

Press brake bending sheet metal with correct tonnage calculation

Press Brake Bend Radius Chart: Formula, V-Die Selection & Calculation Guide

About Us Learn press brake bending radius with charts, formulas, and expert tips. Avoid cracking, improve accuracy, and optimize sheet metal bending. Contact Us Recent Posts Categories Follow Us Facebook-f Twitter Youtube Linkedin Instagram Weekly New Video https://www.youtube.com/watch?v=rExbe2wogNk Quick answer: In press brake air bending, the inside bend radius is mainly controlled by the V-die opening, material thickness, material type, and tensile strength. For mild steel, a common estimate is: Inside Bend Radius ≈ 0.16 × V-die opening For stainless… Read More »Press Brake Bend Radius Chart: Formula, V-Die Selection & Calculation Guide

robotic bending cells

The Technical Evolution of Robotic Bending Cells: A 2026 Guide to Press Brake Automation

About Us Struggling with labor shortages? Learn how robotic bending cells with offline programming (OLP) and sheet following tech can triple your press brake output. Contact Us Recent Posts Categories Follow Us Facebook-f Twitter Youtube Linkedin Instagram Weekly New Video https://www.youtube.com/watch?v=rExbe2wogNk As manufacturers face rising labor costs and increasing demand for consistency, robotic bending cells have become a key solution in modern sheet metal fabrication. Instead of relying on manual operations, companies are moving toward integrated automation systems that combine… Read More »The Technical Evolution of Robotic Bending Cells: A 2026 Guide to Press Brake Automation

Press Brake Robot Bending Cell

Manual vs Robotic Press Brake: Which One Is Better for Production?

About Us Compare manual vs robotic press brake systems in cost, efficiency, and ROI. Find out which bending solution fits your production needs. Contact Us Recent Posts Categories Follow Us Facebook-f Twitter Youtube Linkedin Instagram Weekly New Video https://www.youtube.com/watch?v=rExbe2wogNk Choosing between a manual press brake and a robotic bending system is a key decision for any metal fabrication business. The right choice directly affects your production efficiency, labor cost, and long-term profitability. Quick Answer Robotic press brakes are ideal for… Read More »Manual vs Robotic Press Brake: Which One Is Better for Production?

press brake bending sheet metal production

Springback in Press Brake Bending: Causes, Calculation & Solutions

About Us Learn what causes springback in sheet metal bending and how to reduce it using practical methods like overbending, tooling adjustment, and press brake control. Contact Us Recent Posts Categories Follow Us Facebook-f Twitter Youtube Linkedin Instagram Weekly New Video https://www.youtube.com/watch?v=rExbe2wogNk Springback is one of the most common issues in sheet metal bending. After a part is formed on a press brake, the material tends to slightly return to its original shape, causing the final bend angle to be… Read More »Springback in Press Brake Bending: Causes, Calculation & Solutions

neutral axis sheet metal bending diagram

Bend Allowance vs Bend Deduction: Difference, Formula & Calculation

About Us Learn the difference between bend deduction and bend allowance in sheet metal bending. Includes formulas, examples, and practical tips for accurate flat pattern calculation. Contact Us Recent Posts Categories Follow Us Facebook-f Twitter Youtube Linkedin Instagram Weekly New Video https://www.youtube.com/watch?v=rExbe2wogNk In sheet metal bending, bend allowance and bend deduction are used to calculate the correct flat pattern length before forming. Bend allowance measures the arc length of material consumed by the bend, while bend deduction is the amount… Read More »Bend Allowance vs Bend Deduction: Difference, Formula & Calculation

press brake bending sheet metal with v die

Minimum Bend Radius for Sheet Metal: Chart, Formula & Design Guide

About Us Learn the minimum bend radius for sheet metal with charts, formulas, and engineering tips. Avoid cracking and improve bending accuracy in press brake operations. Contact Us Recent Posts Categories Follow Us Facebook-f Twitter Youtube Linkedin Instagram Weekly New Video https://www.youtube.com/watch?v=rExbe2wogNk When designing sheet metal parts, one of the most important parameters engineers must consider is the minimum bend radius. Choosing the correct bend radius ensures that the material can be formed without cracking, tearing, or losing dimensional accuracy.… Read More »Minimum Bend Radius for Sheet Metal: Chart, Formula & Design Guide