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Product drawing
The Reversible Two-Sided Radius Inserts Holders are essential tooling components for sheet metal bending, engineered to securely fasten and position reversible radius inserts in press brakes. Equipped with an ergonomic R Mold Handle for easy operation and a stable R-handle Mold Clamp for firm fixation, this product ensures precise radius control during bending, making it a core solution for metal fabrication tasks requiring variable curvature adjustments.
Designed to compatible with mainstream press brake models—including Amada/Promecam, Trumpf/Wila, and Gasparini type machines—these holders are widely used in automotive manufacturing, hardware production, and precision metal processing. They excel in bending projects that demand consistent radius accuracy, such as curved sheet metal parts for machinery enclosures or automotive components.
The holders follow strict dimensional standards, available in two main types (Type A and Type B) to meet diverse bending needs:
Type A: Height (marked as "A") ranges from 35mm to 40mm, supporting radius inserts with a minimum radius (R) of 10mm and maximum radius (R) of 25mm (refer to technical drawing mark P.118).
Type B: Fixed height (A) of 55mm, compatible with radius inserts with a minimum radius (R) of 15mm and maximum radius (R) of 50mm.
All contact surfaces undergo precision grinding, ensuring smoothness and a tight fit with inserts to avoid gaps during operation.
Crafted from high-performance steels—42CrMo4 (or equivalent 42CrMo) and C45 Steel—the holders deliver exceptional toughness and wear resistance. Three surface treatment options are offered to enhance durability:
Blackening: Provides basic anti-rust protection for indoor workshop environments.
Sandblasting: Creates a matte finish that reduces glare and prevents surface scratches from debris.
Sandblasting + Blackening: Combines anti-corrosion and scratch-resistant properties for harsh industrial settings.
Each product is packaged in a Wooden Box to protect against impacts during shipping and storage.
A key design highlight is the HRC48-50 Whole Body Heat Treatment applied to the entire holder structure. This process enhances the tool’s hardness and fatigue resistance, allowing it to withstand repeated clamping forces and bending pressures without deformation—extending its service life by 30% compared to non-heat-treated alternatives.
Reversible Two-Sided Design: The holder supports double-sided use of radius inserts, enabling users to switch between different radius sizes without replacing the entire tool. This cuts down tool change time by 50% and reduces overall tooling costs.
R Mold Handle: The curved R Mold Handle features an ergonomic grip that fits comfortably in the hand, simplifying installation, adjustment, and removal from the press brake—even for extended operation periods.
R-handle Mold Clamp: The R-handle Mold Clamp uses a precision-threaded fastener system to lock inserts in place, preventing slippage during bending and ensuring consistent radius accuracy across every workpiece.
The Reversible Two-Sided Radius Inserts Holders come with a complete set of standard components for immediate use:
1 x Reversible Two-Sided Radius Inserts Holder (Type A or Type B, based on order)
1 x Pre-installed ergonomic R Mold Handle
1 x R-handle Mold Clamp with matching high-strength fasteners
Precision-ground contact pads (integrated into the holder body)
1 x Wooden Box for safe storage and transportation
All parts comply with industry standards, eliminating the need for custom adapters when paired with compatible press brakes.
Using 42CrMo4 and C45 Steel—materials renowned for their high tensile strength and impact resistance—combined with HRC48-50 Heat Treatment, the holders resist wear and chipping, reducing replacement frequency and maintenance costs.
The Reversible Two-Sided Design maximizes insert utilization, while compatibility with multiple press brake brands (Amada/Promecam, Trumpf/Wila, etc.) eliminates the need for brand-specific tooling. This versatility lowers tooling investment for small and medium-sized fabricators.
Precision grinding on all contact surfaces ensures a tight fit with inserts, guaranteeing bending accuracy within ±0.02mm. The R Mold Handle and R-handle Mold Clamp simplify operation, reducing training time for new operators and minimizing human error.
Backed by an in-house R&D team, we offer tailored modifications (e.g., adjusted height, custom radius ranges) to the Reversible Two-Sided Radius Inserts Holders for complex bending projects—ensuring the tool fits unique production needs.
