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The Straight Punch (also called Straight Sword Punch) is a specialized Right-Angle Bending Standard Upper Punch for press brakes, integrated with a precision 90° Acute Punch tip. It is engineered to deliver sharp, accurate right angles and acute angles in sheet metal processing, meeting the strict tolerance demands of high-quality metal fabrication.
The Straight Punch features optimized dimensions for universal press brake compatibility, with key measurements (in mm) including:
Length options: 60, 50, 40, 30, 20 (adjustable to match bending depth needs)
Width: 26mm (standard for stable mounting on press brake upper tool carriers)
Tip thickness: 7mm (ensures rigidity to avoid bending under pressure)
90° Acute Punch tip: Exact 90° angle with ±0.01mm tolerance, guaranteed to produce non-rounded corners.
All external surfaces are deburred and polished, preventing damage to sheet metal workpieces during bending.
Constructed from premium 42CrMo (or 42CrMo4) and C45 Steel—materials chosen for their high impact resistance and wear resistance—the punch withstands repeated stress from bending thick-gauge sheet metal. Three surface treatment options enhance performance:
Blackening: Offers anti-corrosion protection for indoor, low-humidity workshops.
Sandblasting: Creates a non-slip surface that resists oil and dust buildup, maintaining grip during installation.
Sandblasting + Blackening: Delivers maximum durability for outdoor or high-moisture environments.
Each punch is packaged in a Wooden Box with foam padding to prevent scratches and deformation during transit.
The entire body of the Straight Punch undergoes HRC48-50 Whole Body Heat Treatment, a critical process that hardens the tool to resist wear and deformation. This ensures the punch maintains its straightness and 90° tip angle even after 10,000+ bending cycles, preserving precision over long-term use.
Straight Sword Design: The punch’s rigid, straight blade distributes pressure evenly across the sheet metal, preventing warping or uneven bending—ideal for long workpieces (e.g., 2m+ sheet metal strips).
90° Acute Punch tip: The precision-ground 90° Acute Punch tip eliminates "soft" corners, a common issue with low-quality punches, ensuring bent parts meet strict architectural or industrial standards.
Standard Upper Punch Interface: The punch’s base is designed to fit standard press brake upper tool mounts, enabling quick installation (within 5 minutes) and replacement—reducing production downtime.
The Right-Angle Bending Standard Upper Punch package includes all components for immediate integration into press brake systems:
1 x Straight Punch with integrated 90° Acute Punch tip
1 set of high-strength installation fasteners (matching standard press brake mounts)
1 x Surface-treated punch protector (prevents tip damage during storage)
1 x Wooden Box for secure shipping and storage
All parts comply with global press brake tool standards, ensuring compatibility with Bystronic/Beyeler, LVD, and American standard type machines.
The 90° Acute Punch tip’s precision grinding and the Straight Punch’s rigid structure guarantee angle accuracy within ±0.01mm, reducing rework rates by 40% compared to generic punches. This is critical for products requiring tight tolerances (e.g., electrical components).
Crafted from 42CrMo4 and C45 Steel with HRC48-50 Heat Treatment, the punch resists chipping and wear, outlasting low-quality alternatives by 2–3 times. This lowers tool replacement costs and minimizes production interruptions.
Designed for Bystronic/Beyeler, LVD type, and American standard type press brakes, the punch eliminates the need for custom adapters. Its intuitive design allows operators to install it without specialized training, saving time.
