High Precision 42CrMo V-Groove Press Brake Bottom Dies | OEM Machine Knives & Blades Factory
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High Precision 42CrMo V-Groove Press Brake Bottom Dies

High Precision 42CrMo V-Groove Press Brake Bottom Dies

Ma'anshan Guangchuan Machinery Knife Mold Technology Co., Ltd. is a professional manufacturer of high-precision press brake lower dies built for industrial sheet metal bending and forming operations. Our V-groove bottom dies work in precise coordination with upper punches to deliver consistent bend angles, smooth forming surfaces and minimal springback across carbon steel, stainless steel, aluminum and alloy sheets. Manufactured from premium 42CrMo and Cr12MoV tool steels with vacuum quenching and precision CNC grinding, these dies offer exceptional wear resistance and anti-deformation performance, boosting bending accuracy and extending tool service life for metal fabrication lines.

  • Order(MOQ) :

    1
  • Payment :

    TT,LC
  • Product Origin :

    China
  • Color :

    N/A
  • Shipping Port :

    Ma'anshan Shipping Port
  • Lead Time :

    30 days

Our multi-groove press brake lower dies feature precision machined V-notches and universal mounting bases for seamless fit on mainstream press brakes. They deliver uniform bending force, reduced sheet springback, and consistent forming quality for high-volume sheet metal fabrication operations.

Technical Specifications

Feature

Technical Details

Material 42CrMo Alloy Steel, Cr12MoV (SKD11), T10A Carbon Tool Steel (Customizable)
Hardness 45-52 HRC (42CrMo); 58-62 HRC (Cr12MoV), optimized for heavy bending loads
Tolerances Groove Angle Tolerance ±0.5°; Straightness ≤0.02mm/m; Dimensional Tolerance ±0.01mm
Die Length 100mm to 3000mm (segmented or full-length, fully customizable)
Groove Configurations Single V, double V, multi-V (2-4 grooves), U-groove, custom profiles
Forming Profiles 90° standard punch, acute angle punch, gooseneck punch, hemming punch, custom profiles
Compatible Machines AMADA, Yawei, Yangli, LVD, Bystronic and other mainstream press brake brands
Processing Vacuum quenching & tempering, deep cryogenic treatment, precision CNC profile grinding

Main Features

  • Multi-Groove Integrated Design: Single die body integrates multiple V-grooves with different widths and angles, covering various sheet thickness bending requirements without frequent die replacement.
  • Hardened Wear-Resistant Groove Edges: Precision heat treatment creates high-hardness working surfaces on groove edges, resisting long-term friction and impact from sheet metal and maintaining accurate bend angles for extended periods.
  • Universal Standard Mounting Base: Unified bottom mounting profile fits most press brake worktables, enabling quick installation and alignment to significantly reduce setup downtime.
  • Stress-Relieved Stable Structure: Deep cryogenic treatment eliminates internal residual stress inside the steel, preventing die deformation and groove size shift after long-term heavy-load bending operations.
  • Precision Machined Groove Geometry: CNC profile grinding ensures accurate groove angles and smooth inner surfaces, reducing scratch marks on workpiece surfaces and improving finished part appearance quality.

Advantages

  • Improved Bending Efficiency: Multi-groove design covers multiple bending scenarios with one die set, reducing tool change frequency and increasing overall production throughput.
  • Extended Service Lifespan: High wear-resistant alloy steel and surface hardening extend die service life compared with ordinary carbon steel dies, lowering long-term tooling procurement costs.
  • Consistent Bend Quality: Precise groove geometry and uniform hardness effectively control sheet metal springback, ensuring consistent bend angles and reducing secondary correction work.
  • Broad Material Compatibility: Suitable for bending carbon steel, stainless steel, aluminum alloy, galvanized sheet and other common metal materials with stable forming performance.
  • Cost-Effective OEM Alternative: Factory-direct pricing delivers OEM-level precision and durability at significantly lower cost, ideal for batch replacement in metal fabrication workshops.

Product Applications

  • Machine Compatibility: Hydraulic press brakes, CNC bending machines, servo electric press brakes, panel benders.
  • Processable Materials: Carbon steel sheet, stainless steel plate, aluminum alloy, galvanized steel, copper sheet, cold-rolled steel.
  • Industry Applications: Sheet metal fabrication, cabinet & enclosure manufacturing, automotive parts, elevator components, steel furniture, electrical equipment housings.
  • Typical Bending Tasks: Right angle bending, U-channel forming, box bending, multi-angle profile forming, thick plate heavy bending.

Why Choose Us

  • Sheet Metal Bending Expertise: Deep understanding of bending stress mechanisms and wear characteristics, able to recommend optimal die material and groove configuration for different working conditions.
  • Rigorous Full Inspection Process: Each die undergoes hardness testing, straightness detection and angle verification before delivery to ensure batch consistency.
  • Full Customization Capability: Support custom groove profiles, lengths, mounting structures and hardness specifications to match non-standard bending tasks and equipment models.
  • Advanced Precision Machining Equipment: Large CNC profile grinders and vacuum heat treatment furnaces guarantee stable batch quality and high dimensional accuracy.
  • Targeted Technical Support: Provide professional guidance on upper-lower die matching, bending parameter setting and daily maintenance to optimize forming efficiency and die lifespan.
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