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This tag covers wire-cut EDM of fully hardened steel, meaning parts that have already been through heat treatment and sit at their final working hardness. Cutting after heat treatment removes the risk of distortion that appears when a part is cut first and hardened afterward, which matters for punches, die plates and wear parts with tight fits. Because material removal is by electrical discharge rather than a cutting edge, hardness does not wear down a tool the way it does in milling or turning.
Buyers reaching this tag are typically die and tooling shops that currently rough parts, send them out for heat treatment and then grind them to size. Moving the profile cut to after heat treatment shortens that route, and the questions we see most often are about hardness range, finish and cutting speed.
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| Item | Value |
|---|---|
| Typical hardness processed | Tool steels up to roughly HRC 60 to 65 after heat treatment |
| Recommended series | PS-C medium-speed series for tight fits, DK-BC for mixed rough and finish work |
| Wire diameter | 0.15 mm to 0.25 mm molybdenum wire, chosen by profile detail |
| Cutting strategy | One roughing pass followed by one to three finishing passes |
| Surface condition | Thin recast layer after roughing, reduced by finishing passes |
| Stress consideration | Heat-treated blanks can release stress when material is removed, so a stock allowance is left for finishing |
| Buyer Type | Typical Hardened Steel Work |
|---|---|
| Die and punch makers | Cutting hardened punch and die plate profiles without a separate grinding step |
| Tooling and gauge shops | Producing hardened gauges, templates and wear inserts |
| Heat-treatment-first workflows | Shops that harden blanks first and want a single profile cutting operation afterward |
| Advantage | What It Means for You |
|---|---|
| No distortion from post-cut hardening | Cutting after heat treatment keeps the dimensions you cut. |
| No tool wear from hardness | Discharge machining is not limited by how hard the steel is, only by its conductivity. |
| Shorter process route | Fewer hand-offs between roughing, heat treatment and grinding. |
Company Profile
Taizhou Xinchengyang Machinery Manufacturing Co., Ltd
Our company is a specialized manufacturer with years of experience in the research, development, and production of electrical discharge machining (EDM), special processing technologies, and equipment. We possess strong technical capabilities, advanced processing equipment, comprehensive testing methods, and rational product design. All products are strictly manufactured in accordance with national standards, with each machine tool undergoing positioning accuracy testing to ensure high-quality output.
Our main product lines include the PS-C and DK77-BC series of medium-speed wire-cutting EDM machines, the DK77-A and DK77-B series of high-speed wire-cutting EDM machines, and the DK77-D series of large-taper wire-cutting EDM machines.
Our products are sold nationwide, with select models exported to Southeast Asia, West Asia, Europe, and the Americas. Guided by the principle of “Quality First, Customer Supreme,” we operate with market orientation and a commitment to fulfilling user needs, dedicated to serving our customers with utmost sincerity.
Quick response
Factory direct sales, price advantage
Big brand, strict quality control, quality assurance
Strong production capacity, on-time delivery
Recommended Products
Corporate Culture
Corporate Vision
Through continuous technological innovation and exceptional service, we drive the intelligent and precision-oriented development of the manufacturing industry, creating greater value for society.
Corporate Mission
Our mission is to empower our customers to enhance product competitiveness and optimize manufacturing processes by providing wire cutting machines that deliver high efficiency, precision, and stability, while creating a safe and growth-oriented work environment for our employees.
Corporate Purposes
We focus on delivering premium wire cutting products and services, empowering our customers to enhance efficiency and reduce costs through technological innovation and process optimization. We uphold a people-oriented approach, fostering mutual growth between employees and the company, while actively fulfilling our social responsibilities to give back to society through sustainable development.
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