Jiaxing Yishengrui Intelligent Technology Co., Ltd
                                                                                                           
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4 Years
Since 2022
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Wedge Upper Plate, Self-lubricating Graphite Bronze Wear Plate, Mold Slide Guide Bar, High Strength Brass Wedge Block for Stamping Die

Price Negotiable
Price: $3~$30 piece
MOQ: 100 pieces
Delivery Time: 5~8 work days
Product Description

Product Overview

Our Wedge Upper Plate  is manufactured from high-strength  brass / bronze with embedded solid graphite lubricants. It is a core wear-resistant component used in stamping dies, automotive molds, progressive dies and large forming molds. The graphite particles act as a solid lubricant during operation, eliminating the need for frequent oil supply. It features low friction coefficient, excellent wear resistance, high load capacity and stable dimensional accuracy under continuous reciprocating sliding movement. All parts are processed by precision CNC machining, strict flatness & parallelism inspection. Standard sizes in stock, custom drawings & OEM machining are supported.

Key Features

✅ Self-lubricating graphite embedded structure, maintenance-free for long running

✅ High strength brass/bronze base, good shock resistance & heavy load bearing

✅ Low friction, anti-seize, reduce mold galling and abrasion

✅ Precision CNC machined, tight tolerance, smooth surface finish

✅ Standard sizes available, custom drawing & one-off prototype acceptable

✅ Widely used in automotive stamping die, progressive die, sheet metal forming mold

Application Scenarios

Automotive stamping molds, progressive dies, sheet metal forming dies, large injection molds, heavy machinery sliding wedge mechanism, press tooling.

Technical Parameter Table


Item Specification
Product Name Wedge Upper Plate / Mold Wedge Wear Strip
Base Material High Strength Brass / Tin Bronze
Lubricant Embedded Solid Graphite
Surface Finish Ra 0.8μm
Working Temperature -40℃ ~ +250℃
Friction Coefficient 0.08~0.15 (dry friction)
Max Load 120 N/mm²
Processing Method CNC Milling, Drilling
Supply Type Standard stock / Custom OEM according to drawings
Hardness HB 210~260

Packing & Shipping

Packed in anti-rust paper + carton box. Available by air, sea or express. We support bulk order and sample order.

About Us

We are a professional manufacturer of mold wear parts and self-lubricating bearing components. We have complete CNC machining workshop and quality inspection system. We can produce parts according to your drawings or samples. Welcome to contact us for catalog and quotation.

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Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Jiaxing Yishengrui Intelligent Technology Co., Ltd
Location Building 12-1, Beichuang Industrial Park, No. 960 Dongjin Road, Nanhu District, Jiaxing City, Zhejiang Province
Contact Person Tanya

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