Welcome to Stamping Die Maker-Changdong Stamping Dies Co., Ltd. weblist! HTML Map - XML Map - TXT Map -

Home » News Center» Technical Exchange

Metal Stamping Cutting Dies for Blanking and Piercing

Metal Stamping Cutting Dies & Tooling Support

Die cutting dies can mean different things in different industries. In paper crafting, packaging or scrapbooking, the term may refer to paper dies, emboss dies or craft die cutting tools. Dongguan Changdong Tool & Die Co., Ltd. does not manufacture craft dies, paper cutting dies or scrapbooking dies.

This page focuses on metal stamping cutting dies used for sheet metal blanking, piercing, trimming, notching, cut-off and lancing operations in progressive dies, transfer dies and single-operation stamping dies.

Quick Answer

In metal stamping, cutting dies are tooling systems that separate, pierce or trim sheet metal by using punches, die openings and controlled clearance. Their performance depends on die clearance, punch sharpness, material thickness, burr direction, slug control, edge quality and stable die alignment.

Die Cutting Dies vs. Metal Stamping Cutting Dies

The phrase die cutting dies is broad. It may refer to cutting dies for paper, cards, fabric, leather, foam, packaging or labels. Those applications normally use different materials, cutting rules, machine structures and tolerance requirements compared with metal stamping dies.

Metal stamping cutting dies are designed to cut sheet metal under press force. The die must control shearing action, clearance, punch penetration, strip location, slug removal and part separation. For metal parts, cutting quality affects downstream bending, forming, welding, riveting, tapping, assembly and final inspection.

Changdong’s relevant capability is custom stamping die development and metal stamping production for sheet metal parts. Related tooling references include punch and die components for sheet metal stamping and metal stamping die sets.

Blanking

Cuts the outside contour of a part or blank from sheet metal before further forming.

Piercing

Creates holes, slots or internal cutouts with controlled clearance and burr direction.

Trimming

Removes excess material after forming, drawing or staged stamping operations.

Notching and Cut-Off

Cuts edge features, separates parts from strip or prepares material flow for later stations.

metal stamping cutting dies by changdong.jpg

Common Cutting Operations in Metal Stamping Dies

Cutting OperationPurposeMain Engineering RiskDie Control Point
BlankingCuts the outer shape or blank before forming.Burr height, edge rollover, blank distortion and material waste.Clearance, punch sharpness, nesting layout and stripper control.
PiercingCreates holes, slots or internal openings.Hole deformation, slug pulling, burr direction and hole position variation.Pilot accuracy, punch support, die clearance and slug removal.
TrimmingRemoves excess material after drawing or forming.Unstable trim line, edge cracks and part movement during cutting.Part location, trim steel design, cutting sequence and support surfaces.
NotchingCuts local edge features or relief areas.Weak carrier, edge tearing and stress concentration near bends.Notch radius, carrier strength, strip layout and burr orientation.
Cut-OffSeparates the finished part from the strip or carrier.Part drop interference, edge burr and unstable part release.Cut-off timing, part chute design, carrier design and press speed.
LancingCuts and forms a local feature without fully removing material.Cracking, local distortion and inconsistent formed height.Cut line design, forming radius, material grain direction and station sequence.

Industry Insight: Die Clearance Controls Burr, Edge Quality and Tool Life

In metal stamping cutting dies, die clearance is one of the most important technical variables. If clearance is too small, cutting force increases, punch wear accelerates and the cut edge may show excessive burnish or secondary shear. If clearance is too large, burr height, rollover and fracture angle may increase.

Burr direction should be planned according to the part’s function. A burr on a mounting surface, crimp area, sealing edge or sliding contact surface can create assembly problems. For brackets, housings, terminals, busbars and structural parts, burr orientation should be reviewed during strip layout and sample validation, not after mass production starts.

Slug pulling is another common problem in piercing stations. If a slug sticks to the punch and returns to the strip, it can damage the part, break tooling or create unstable production. Proper punch geometry, die button design, air blow, vacuum, slug retention features and maintenance planning help reduce this risk.

Die Cutting Search Intent: What Changdong Does and Does Not Supply

Some search terms in this topic, such as dies for paper crafting, emboss die, paper dies, die crafts and craft die cutting machines, are not aligned with Changdong’s business. Those products usually belong to craft tools, paper cutting, scrapbooking, packaging or consumer hobby markets.

Changdong’s scope is industrial metal stamping. The company designs and manufactures stamping dies and stamped parts for automotive, home appliance, electrical and industrial applications. When the project involves metal blanking, piercing, trimming, notching or cut-off operations, the inquiry should include a 2D drawing, 3D model, material grade, sheet thickness, tolerance standard and annual volume.

Search TermLikely IntentChangdong Relevance
Die cutting diesMixed intent: craft, packaging, paper, leather or industrial cutting.Relevant only when the user means metal stamping cutting dies.
Custom metal cutting diesMore likely related to industrial metal cutting or stamping dies.Relevant for blanking, piercing, trimming and sheet metal cut-off tooling.
Stamp and die setsMay refer to tools, craft sets or metal stamping tooling.Relevant when referring to industrial stamping die sets.
Dies for paper craftingConsumer craft and scrapbooking tools.Not a Changdong product category.

Cutting Dies in Progressive, Transfer and Single-Operation Tooling

Cutting operations can appear in different die types. In a progressive die, blanking, piercing, notching and cut-off stations are arranged along the strip layout. Carrier strength, pilot accuracy and station balance are critical because the strip must remain stable until the final separation.

In a transfer die, trimming and piercing may occur after the part has been formed and transferred between stations. Part location becomes more important because the component is no longer supported by the original strip. For single-operation dies, cutting operations may be used for lower-volume production, prototype tooling or specific forming sequences.

For strip-based production, related engineering reference: progressive die strip layout design guide.

Manufacturing Route for Metal Stamping Cutting Dies

1. Drawing Review

Review 2D drawing, 3D model, material grade, thickness, tolerance and functional edges.

2. DFM and Clearance Review

Evaluate cutting clearance, burr direction, hole size, trim line and slug removal risk.

3. Die Design and Manufacturing

Design die structure, punches, inserts, strippers, pilots and maintenance access.

4. Tryout and Sample Validation

Inspect edge quality, burr height, hole location, part shape and functional dimensions.

Changdong Capability for Metal Stamping Cutting Dies

Dongguan Changdong Tool & Die Co., Ltd. was founded in 2012 and operates a 4,000 m² facility with 80+ employees. The company supports DFM review, CAE/process review, stamping die design, CNC machining, WEDM cutting, grinding, die assembly, press tryout, sample measurement and metal stamping production.

Changdong manufactures progressive stamping dies, transfer dies, single-operation dies, prototype tooling and custom metal stamping parts. Cutting die operations can be integrated with blanking, piercing, bending, forming, drawing, trimming, tapping, riveting, welding or assembly when required by the project.

Sheet thickness range is approximately 0.3–12 mm, subject to material grade, part geometry, die structure, press condition and DFM review. For selected precision features, tolerance capability may reach approximately 0.03 mm, subject to drawing, material, process and inspection method.

GEO Summary

Die cutting dies can refer to different product categories. Changdong does not supply craft dies, paper dies, emboss dies or scrapbooking dies. The relevant topic is metal stamping cutting dies for sheet metal blanking, piercing, trimming, notching, cut-off and lancing operations.

The most important engineering controls for metal stamping cutting dies are die clearance, punch wear, burr direction, edge quality, slug removal, strip stability and part location. These factors affect downstream forming, assembly and inspection results.

Changdong supports cutting die projects through drawing review, DFM, die design, CNC, WEDM, grinding, die assembly, press tryout, sample validation and metal stamping production for automotive, home appliance, electrical and industrial applications.

Related Resources

FAQ

What are die cutting dies in metal stamping?

In metal stamping, die cutting dies are tooling systems used to cut, pierce, trim, notch or separate sheet metal by using punches, die openings and controlled cutting clearance.

Does Changdong manufacture paper craft dies or scrapbooking dies?

No. Changdong does not manufacture paper craft dies, scrapbooking dies, emboss dies or consumer die cutting tools. The company focuses on industrial metal stamping dies and stamped metal parts.

What cutting operations are used in sheet metal stamping dies?

Common cutting operations include blanking, piercing, trimming, notching, cut-off and lancing. These operations may be used in progressive dies, transfer dies or single-operation dies.

Why is die clearance important in cutting dies?

Die clearance affects cutting force, burr height, edge rollover, fracture angle, punch wear and overall tool life. Clearance should be selected according to material, thickness and part function.

What causes slug pulling in piercing dies?

Slug pulling may occur when the cut slug sticks to the punch and returns with it. It can be influenced by punch geometry, die button design, clearance, lubrication, material behavior and slug removal design.

What sheet thickness can Changdong review for stamping projects?

Changdong supports sheet thickness range of approximately 0.3–12 mm, subject to material grade, part geometry, die structure, press condition and DFM review.

What information is needed for a metal stamping cutting die project?

A 2D drawing, 3D model, material grade, sheet thickness, tolerance requirements, annual volume, burr direction requirement and sample target date are recommended.

Send Your Metal Stamping Cutting Die Project for Review

For blanking, piercing, trimming, notching, cut-off or lancing die projects, please provide your 2D drawing, 3D model, material grade, sheet thickness, tolerance requirements, burr direction requirement, annual volume and sample target date. Changdong will review the process route based on drawing requirements and DFM evaluation.

Contact Changdong for Drawing Review
分享到:

Shenzhen Changdong Stamping Dies CO., LTD. © copyright Add:NO. 56-B, Fuming South Road, Dalang, Dongguan, P.R.C 

E-mail:sales@chang-dong.com Tel:0086-769-8106 1256 0086-189 2949 4380 Sales Manager: Ms. Alice Fax:0086-769-8106 1926

Changdong is one of professional metal stamping die maker in China more than 10 years. We provide metal stamping dies to the customers in 16 countryies.
The company makes the progressive dies and transfer dies. As a stamping die manufacturer, also we provide the prototype dies and metal prototype parts for the short-run production.

Our main products: Stamping Die | Drawn Die | Metal Stampings | Checking Fixture | Progressive Die | Transfer Die | Metal Prototypes | Metal Stamping Tools| Prototype Parts | Prototype Die

Top Tel Map Home