Punch Press Lower Tool

Name: Punch Press Lower Tool | Bottom Die Support Unit – Frigate
Price: 249.00 USD
Availability: InStock

Punch Press Lower Tool supports bottom die seating with micron-level parallelism, ensuring zero lateral displacement under peak tonnage. Misalignment-induced galling and edge shearing are minimized through tight-tolerance flatness control and fine-ground die interfaces. This enables reliable alignment in progressive and compound die setups under dynamic load variation.

Material Specification

D2 (1.2379), DC53, SKD11, High-Vanadium Steel (for high-wear applications)

Hardness (HRC)

58-62 HRC (D2/DC53), 60-64 HRC (Carbide Inserts), 52-56 HRC (for shock-resistant applications)

Surface Finish (Ra/RMS)

Die Opening – 0.4-0.8 µm, Mounting Surface – 0.8-1.6 µm, Non-Critical – 1.6-3.2 µm

Dimensional Tolerances

Die Opening – ±0.005 mm, Perpendicularity – 0.01 mm/100mm, Flatness – 0.02 mm/m

Die Opening Geometry

As per 2D CAD Profile (DXF/DWG) with ±0.01 mm profile tolerance

Product Description

Punch Press Lower Tool is engineered from hardened tool steels such as H13, D2, or CPM variants, selected based on impact resistance and compressive yield strength. Cross-sectional geometry and stress-path profiling reduce base deflection during high-force forming, preventing angular deviation in critical-form features.

Die Clearance

5-10% material thickness (e.g., 0.1mm per side for 2mm steel), Angular Clearance – 0.5°-1°

Mounting/Clamping Features

T-slot Width – ±0.02 mm, Bolt Holes – ±0.05 mm, Locating Pins – H7/g6 fit

Slug Ejection Features

Ejection Angle – 1°-3°, Air Blast Channels – Ø3-6 mm, Knockout Pin Clearance – +0.02/+0.05 mm

Coating/Surface Treatment

TiCN Coating (2-3 µm), Nitriding (0.1-0.2 mm), or Cryogenic Treatment (for stress relief)

Certification Standard

ISO 9001, IATF 16949 (Automotive), JIS B 5063 (Press Dies), ASTM A681 (Tool Steel)

Technical Advantages

Punch Press Lower Tool features uniform contact pressure across the lower die face, achieved through CNC lapping and precision lobe contouring. Material fracture planes are consistently supported during high-speed blanking, controlling rollover and secondary burr formation even in high-tensile sheet stocks.

Punch Press Lower Tool incorporates rebound-dampening inserts or elastomer isolators to absorb high-magnitude reverse loads following material breakthrough. This ensures decoupling of impact energy from the base die, preventing micro-fractures and fatigue propagation in multi-stage tooling environments.

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Industry Applications

Electrical Lamination Manufacturing

Maintains uniform blanking clearance for burr-free punching of silicon steel stator and rotor cores in motor and transformer production.

Appliance Sheet Metal Forming

Ensures genaue die closure during deep draw and piercing of stainless and coated sheets in HVAC and appliance chassis components.

Aerospace Bracket Fabrication

Withstands cyclic high-load punching of titanium and aluminum alloys for complex brackets and rib components in aerospace structural assemblies.

Battery Enclosure Manufacturing

Provides tight dimensional control during progressive forming of aluminum and nickel enclosures used in EV battery module housing systems.

Medical Equipment Chassis Stamping

Delivers dimensional repeatability during forming of surgical-grade stainless steel panels in precision medical device enclosures.

Telecom Enclosure Production

Supports fine-blanking and embossing of galvanized steel for high-volume production of switchgear and telecom equipment housings.

Rapid Tool Indexing and Setup Repeatability

Punch Press Lower Tool enables high-precision tool relocation using ground dowel slots, keyed locating surfaces, and baseplate symmetry. Repeatable die positioning eliminates the need for shimming or iterative alignment during changeovers, maintaining centerline accuracy in automated press lines.

Punch Press Lower Tool employs thermally stabilized tool steels with low coefficient of expansion to avoid dimensional drift during extended runs. Elevated temperature cycling does not distort tool-body geometry, preserving bottom die planarity during continuous press operation.

Having Doubts? Our FAQ

Check all our Frequently Asked Question

How does Frigate ensure dimensional stability in its Punch Press Lower Tool during high-impact forming?

Frigate uses vacuum heat-treated tool steels with uniform hardness to control distortion under repeated impact. Each Punch Press Lower Tool is CNC-machined and finished to ensure parallelism within ±5 microns. This reduces die shift and uneven wear during long production runs. Dimensional checks are verified using CMM equipment before dispatch.

What material options does Frigate offer for Punch Press Lower Tool in high-wear applications?

Frigate offers D2, H13, and PM-grade steels for applications with high wear or thermal stress. These materials are selected based on compressive strength, wear resistance, and toughness. For abrasive forming, coated variants with TiN or DLC are available. Each material is chosen based on FEM simulation and part load data.

How does Frigate design its Punch Press Lower Tool for fast die changeover?

Frigate incorporates dowel hole positioning and self-locating base features for repeatable installation. This reduces alignment time and ensures tool centerline remains unchanged after reinstallation. The base plate geometry matches standard press bed slots. This allows quick setup without needing rework or die spotting.

How does Frigate control reverse load stress in Punch Press Lower Tool during piercing operations?

Fregatte engineers its lower tools with integrated dampening zones to absorb snap-through forces. These zones use shock-absorbing materials or optimized cavity reliefs to reduce stress spikes. The design helps prevent micro-cracks or surface chipping under reverse loading. Reverse load paths are validated through simulation and testing.

Can Frigate customize Punch Press Lower Tool geometry for non-standard press configurations?

Yes, Frigate supports custom geometry for presses with offset or irregular bed layouts. The lower tool base is modeled in CAD to match the press-specific mounting and shut height. Custom locating features and fasteners are also integrated based on press make. This ensures full compatibility with non-standard or legacy machines.

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