Mirror etching mold

What Is Customization of Functional Structures?

(1) Dies equipped with pre-press blocks can stop thin materials and fabrics from shifting, delivering flat cutting surfaces without stretching. (2) Dies with ejector pin waste stripping or air nozzle vacuum waste removal realize automatic waste cleaning, suitable for high-speed production. (3) Step-height blades enable layered die-cutting — cutting only adhesive layers while keeping release paper intact. (4) Magnetic bases support fast die replacement and stable positioning without sliding. (5) Alignment pins allow repeated production with multiple sets of dies and eliminate registration errors.

How to Select the Right Die for Your Products?

How to Choose the Right Die for Your Products I. Step 1: Confirm Three Core Judging Factors Processing material: paper, foam, silicone, hydrogel, film, metal; viscosity level and thickness Order volume: sampling small orders, short-term small batches, medium & long-term mass production, long-run roll material manufacturing Production pain points: risk of material stretching, porous waste removal demand, high tack causing blade sticking, requirement for curved surface fitting II. Mold Selection Based on Production Volume (Basic Classification) 1) New product sampling & small batches of several hundred to 10,000 punches (cost priority) Cardboard, regular adhesive stickers, color packaging boxes: Laser wooden dies, lowest cost & fast lead time Small labels, thin PVC stickers, simple special shapes: PVC board dies, good forming for tiny corners Ultra-thin films, micro anti-counterfeit labels, precision tiny parts: Etching dies, burr-free with moderate mold opening cost 2) 10,000–150,000 punches, stable flat sheet mass production (mainstream general choice) CNC engraving dies are recommended, made of solid steel for wear resistance and repeated regrinding. Upgrade structures per actual pain points: Soft films, hydrogel & printed materials prone to shifting → Pre-press block dies Double-sided tape, plasters and other high-tack materials causing frequent blade sticking → PTFE coated pre-press engraving dies Products with dense small holes hard to clean waste → Air nozzle waste removal dies Curved sealing gaskets, adhesive pads for uneven housings → Contoured engraving dies Waste that falls off by gravity without dense tiny holes → Basic blanking engraving dies 3) Continuous mass production of roll materials with tens of thousands of meters daily output (high-speed manufacturing) Rotary dies, with 3–8 times higher capacity than flat dies, optional functional structures as needed: Regular roll labels, sound insulation foam rolls: Standard integrated engraved rotary dies Large quantity 0.5–1mm micro-pore dressings, dust screens: Ejector pin rotary dies (no vacuum pump required) Porous rolls requiring powerful waste stripping: Air blow / vacuum waste removal rotary dies 4) Metal copper, aluminum, shrapnel, shielding covers, terminal hardware parts QDC hardware dies universally adopted, featuring high stamping precision, wear resistance and integrated punching & bending functions. III. Accurate Mold Matching by Processing Materials Paper, cardboard, corrugated board, regular non-tacky EVA Wooden dies or PVC board dies are sufficient; engraving dies are unnecessary to cut costs Thin PET, black & white light-shielding adhesive, insulating films, transparent labels Small orders: etching dies; mass production: pre-press engraving dies / rotary dies Hydrogel, medical cold compresses, high-tack double-sided tape PTFE coated pre-press engraving dies as top choice, anti-stick & anti-stretching to reduce rejects Foam, silicone, EPDM sealing gaskets, curved buffer pads Standard engraving dies; contoured engraving dies for curved products Products with dense breathable holes, dust screens, porous gaskets Air nozzle waste removal engraving dies for flat sheets; ejector pin rotary dies for roll materials Small copper, aluminum & stainless steel metal parts Precision QDC hardware dies matched with punch presses for forming IV. Upgrade Mold Functions According to Production Pain Points Pain point: Material stretching & printed pattern offset → Add pre-press block structure Pain point: Adhesive sticks to cutting edges, frequent shutdown for cleaning → Apply PTFE anti-stick coating Pain point: Tiny waste stuck in molds causing time-consuming manual cleaning → Vacuum / ejector pin waste removal structure Pain point: Curved or uneven products with assembly gaps → Contoured engraving dies Pain point: Huge daily roll output & demand for uninterrupted automatic production → Rotary dies Pain point: Strict dimensional tolerance for metal parts & long-term mass production → QDC hardware dies V. Matching Reference for Supporting Equipment Only ordinary pneumatic punch presses for single sheets: Wooden dies, PVC board dies, etching dies and all flat engraving dies are applicable Rotary roll cutting machines & roll production lines: All types of rotary dies High-speed stamping machines for metal processing: QDC hardware dies Automatic material fixing without manual holding: Equipped with pneumatic positioning fixtures

How are die-cutting molds manufactured from raw materials?

Raw Material Preparation High-hardness mold steel, plywood or PVC sheets are cut into blanks and deburred. CAD Programming & CNC Machining Draw product contours via CAD, process grooves, curved profiles and waste removal structures with CNC engravers, lathes or etching machines. Blade Embedding & Component Assembly Embed steel cutting blades into slots; assemble ejector blocks, air nozzles, punch pins and springs as required. Heat Treatment & Quenching Steel molds go through quenching to harden cutting edges for long service life. Precision Grinding & Trimming Polish edges, calibrate dimensional tolerance and smooth curved surfaces. Test Cutting & Inspection Conduct trial cutting with customer’s materials to verify precision, waste stripping and cutting quality, adjust molds if defective. Anti-rust Treatment & Deliver

What are the after-sales handling procedures for cutting dies?

Complete After-Sales Service for Cutting Dies Mold Trial & Commissioning Support Free on-site or remote video mold trial service after delivery. For issues including burr edges, dimensional errors, poor waste ejection and material deformation, we provide solutions within 24 hours. Minor faults can be adjusted via online guidance, while defective dies can be returned for free rework. Lifetime Edge Regrinding & Maintenance All self-developed dies enjoy lifetime maintenance service. Blunt, chipped or out-of-tolerance cutting edges can be sent back for polishing and re-engraving. Regular flat dies can be reworked within 24 hours, and rotary dies take 4–5 days, with priority production for long-term clients. Mold Modification & Structural Upgrade If customers update product drawings or outlines, we can revise cavities, add/remove ejector and air blowing components based on existing dies, avoiding full new mold development to save cost and lead time. Quality Compensation Guarantee All finished dies come with full inspection records. If batch defects are caused by factory processing errors or out-of-tolerance machining, we will remake the entire die free of charge and cover relevant trial material losses. Any damage during transportation will be repaired or re-delivered at our expense. Dedicated One-on-One After-Sales Support Each customer is assigned a dedicated sales specialist and technical engineer. You may send drawings, defective product photos and videos anytime; live video viewing of mold rework progress is available.

How to Maintain Rotary Dies？

Rotary Die Maintenance Procedures I. Pre-operation Maintenance (Required before Every Startup) Cleaning & Rust Removal Wipe the roller surface, blades, air channels and blanking cavities with anhydrous ethanol or special glue-removal soft cloth to clear anti-rust oil, dust and adhesive residue. Do not use rags with iron scraps or hard particles to avoid scratching the chrome coating on cutting edges. Full Visual Inspection Check blades with naked eyes and magnifying glass for chipping, curled edges, rust spots and caked glue. Verify whether air blowing/suction holes are blocked and check spindle ends for collision deformation. Spindle Lubrication Drip a small amount of light lubricating oil on both spindle shoulders to form an oil film, reduce friction with the tool holder and cut down shoulder wear and abnormal noise. Standard Die Installation Handle rollers gently. Wrap blades with foam before placing them into the rotary holder. Lock gears and fixing buckles to ensure synchronized rotation without offset. Never hit blades with hard objects. Pressure Adjustment Apply pressure slowly step by step and stop once the substrate is fully cut. Excessive pressure will quickly dull or chip blades and drastically shorten service life. II. Mid-production Maintenance (Clean During Breaks per Shift) Regular Adhesive Residue Cleaning When processing high-adhesion materials such as double-sided tape, hydrogel and medical plaster, stop production to remove glue every 2–4 hours. Long-term adhesive buildup will corrode steel, block waste outlets and cause fuzzy cutting edges. Clear Air Channels & Blanking Cavities Use an air gun to unclog built-in air channels of air-blow rotary dies for smooth waste removal. Clean accumulated waste inside blanking rollers to prevent internal blade damage from extrusion. Monitor Wear Condition Continuous burrs, incomplete cutting or unstable dimensional tolerance indicate worn blades. Record total cutting length and arrange factory regrinding in advance. Keep Roller Surface Clean Avoid metal scraps and hard impurities from being rolled between rollers, as hard foreign bodies will directly chip cutting edges. III. Post-shutdown Maintenance (Daily After Work) Deep Degluing Cleaning Thoroughly clean the whole roller with soft brushes and neutral degreaser, then wipe off all water. No residual glue or moisture can remain on rollers, as humidity easily triggers rust. Anti-rust Treatment After full drying, spray a thin uniform layer of special mold anti-rust oil over the entire roller, with extra coverage on blades, spindles and inner holes. Protective Wrapping Fully wrap the roller with whole foam sheets, only exposing both spindles to prevent bare blades from collision. Record Keeping Log processed materials, total cutting meters, wear status and regrinding cycles to predict maintenance time and avoid production delays. IV. Long-term Storage Maintenance (Idle for Over 3 Days) Independent Storage in Special Die Boxes Store each rotary roller separately in dedicated foam-lined packaging boxes, supported only by two spindles. Never support or squeeze cutting edges. Store rollers separately without stacking or collision. Storage Environment Requirements The warehouse shall be cool, dry and ventilated with desiccants placed inside. Keep away from humid, acidic, alkaline, greasy and high-temperature areas. Re-spray anti-rust oil weekly during rainy seasons in southern regions. Regular Inspection Unpack and inspect idle rollers every 15 days, wipe and reapply anti-rust oil, and check for rust spots. Transportation Protection Strengthen outer cartons and fix spindles with inner foam to prevent rolling and impact chipping during transit. V. Periodic Deep Maintenance (Every 3–5 Million Meters of Cutting for Mass Production) Factory Regrinding Send rollers back for re-milling and re-sharpening once blades turn dull and cause mass burrs. Rotary dies can be reground multiple times; standardized maintenance can increase reusable cycles by over 30%. Inner Cavity Deep Cleaning Disassemble hollow blanking and waste-suction rotary dies to clean inner cavities of accumulated glue and waste, avoiding long-term roller corrosion. Chrome Coating Repair Reapply chrome or Teflon anti-stick coating when blade coating wears heavily for better anti-sticking, rust prevention and wear resistance. VI. Prohibited Operations (Easy to Damage Rotary Dies) Do not knock or pry rollers violently; do not scrape blades with hard objects. Avoid long-term high-pressure overload cutting and idle rolling without materials. Never flush roller inner cavities directly with water, as residual moisture causes rust. Do not clean blades with iron sand, steel wool or hard brushes. Do not stack multiple unwrapped rollers directly for storage. VII. Core Benefits of Standard Maintenance costs.

Do QDC hardware dies have to work with stamping presses?

English Translation (for customer manual & inquiry reply) 1. Working Principle Explanation QDC is a precision composite stamping die with no built-in power source. It relies on the sliding block of a stamping press to deliver downward impact force to complete metal punching, blanking, bending and forming processes. Without the pressing force from a stamping press, the die cannot cut metal sheets or finish forming operations. 2. Compatible Equipment Ordinary pneumatic stamping press: Low tonnage, suitable for sampling thin copper/aluminum sheets, small shrapnels and miniature workpieces. High-speed precision stamping press: Main equipment for mass production, matched with QDC progressive dies to realize automated continuous feeding for high-volume manufacturing. Hydraulic stamping press: Used for thick stainless steel and workpieces requiring deep drawing or heavy forming force. 3. Supporting Auxiliary Tooling Pneumatic jigs and positioning fixtures can be equipped during production to assist feeding and positioning, improving dimensional accuracy and operational safety. Nevertheless, the stamping press remains the core power equipment. 4. Supplementary Distinction CNC engraving dies and etching dies for die-cutting can also be used with pneumatic presses. However, QDC hardware dies process metal materials, which impose far higher requirements on the press’s tonnage, rigidity and synchronization precision compared with regular presses for adhesive material die-cutting.

What are the major disparities between flat cutting dies and rotary cutting dies?

Flat Die (Flat-to-Flat) vs Rotary Die (Roll-to-Roll) I. Fundamental Working Principle Difference Flat Die (Flat-to-Flat Cutting) Intermittent stamping mode: The cutting die stays fixed. Sheet or roll material feeds forward a section then pauses. The press cuts down repeatedly with frequent start-stop cycles. Rotary Die (Roll-to-Roll Cutting) Continuous rotary cutting mode: Two rollers rotate synchronously. Materials run at a constant speed without pause throughout production, cut by rolling shear force with no downtime. II. Six-Dimension Detailed Comparison 1. Production Efficiency (Most Obvious Gap) Rotary Die: Running speed 80–300 m/min with non-stop operation. Hourly output is 3–8 times higher than flat die. It supports integrated processes including laminating, waste stripping and film covering in one pass. Flat Die: Reciprocating stamping with short single stroke and frequent start-stop, resulting in low speed. Multiple processes require separate machines. Rotary dies far outperform flat dies for mass single-item orders (daily output of tens of thousands of meters). Flat dies are more cost-effective for small orders with frequent product switches. 2. Mold & Equipment Cost (Huge Disparity) Flat Die: Low-cost cutting dies (several hundred to several thousand USD/RMB) and low machine investment. Die change takes only 10–30 minutes, easy to operate for new workers. Rotary Die: Expensive roller dies (several thousand to tens of thousands per roller). Complete rotary machines cost 2–5 times more than flat cutting equipment. Order change requires tension and roller gap adjustment, taking over 30 minutes with a steep learning curve. Flat dies hold absolute cost advantages for small-batch diverse products. For long-term orders over millions of meters, rotary dies have 4–6 times longer service life, lowering average unit cost significantly. 3. Compatible Material Thickness (Complementary Application Scenarios) Strengths of Flat Dies: Thick, rigid and highly elastic materials Suitable for EVA, PU foam, silicone, thick cardboard, corrugated paper and cushions over 3mm. Sufficient vertical pressure ensures thorough cutting. Strengths of Rotary Dies: Thin roll films and adhesive materials Ideal for PET, PI, copper/aluminum foil, double-sided tape, self-adhesive labels and conductive foil (0.05–0.5mm thin stock). Rolling shear avoids extrusion deformation and burr-free cutting edges. Thick materials often suffer incomplete cutting with rotary dies; ultra-thin rolls tend to stretch and bear indentations under flat stamping. 4. Precision & Dimensional Consistency Rotary Die: Superior dimensional consistency during high-speed mass production, stable tolerance for thin precision electronic accessories (golden fingers, conductive adhesives). Less suitable for thick materials prone to stamping deformation. Flat Die: Static stamping delivers controllable cutting depth for thick materials and irregular bumpy parts, perfect for stepped components and complex thick foam profiles. Tolerance fluctuates more under continuous high-speed operation. 5. Order Flexibility (Big Gap for Small Batches) Flat Die: Extremely flexible for frequent style changes. Top choice for sampling and small orders of dozens/hundreds of pieces. Low modification cost, samples available the same day. Rotary Die: Optimized for long-run mass production of single specifications. Frequent order switching causes heavy wear and long debugging time, with high sampling cost and long lead time. 6. Cutting Edge & Material Waste Rotary rolling shear: Gentle force on materials, minimal whitening compression marks and powder shedding, smooth waste stripping, higher material utilization rate. Vertical flat stamping: Foam and cardboard tend to be flattened with fuzzy edges and indentations; thick materials generate more waste debris.

How to Distinguish Good and Bad Cutting Dies？

How to Tell High-Quality Dies from Inferior Ones 1. Visual Inspection of Workmanship Blade Edge High-quality dies feature smooth, even cutting edges without notches, curled edges or burrs. One-piece engraved dies have no joint gaps. Poor dies have uneven blades, joint steps and chipped edges, resulting in burrs on finished products. Die Surface Premium dies are milled evenly with flat, distortion-free steel plates, free of scratches and rust. Low-grade dies are warped with rough processing marks and rough edges. Material Integration Qualified one-piece engraving dies are milled from solid whole steel without welded seams. Cheap spliced dies have gaps that trap adhesive and cause blade breakage. 2. Effect of Trial Cutting (Core Judgement) Cutting Edge Quality High-precision dies deliver neat clean cuts, no white compression marks, curling or stretching on materials. Inferior dies lead to whitened edges, fuzz and deformed parts, especially for thin golden finger and aluminum foil. Dimensional Stability Good dies maintain consistent tolerance within ±0.03~±0.1mm in repeated cutting. Poor dies produce inconsistent sizes with shifting outlines and inner holes. Ejection & Waste Removal Dies equipped with pre-pressing ejectors automatically push out workpieces without sticking. Cheap dies lack ejection structures, causing parts to stick to blades and deform. 3. Raw Material & Wear Resistance High-quality dies adopt high-hardness special mold steel with heat treatment for wear resistance and multiple re-sharpening. Cheap dies use low-grade soft steel, prone to curling and chipping after short production runs. 4. Structural Design Premium dies adopt customized structures such as pre-pressing blocks and automatic blanking to avoid squeezing thin electronic materials. Generic simple low-cost dies lack targeted structures and easily damage precision thin films. 5. Service Life & Repairability CNC engraving dies, rotary dies and hardware dies can be re-ground repeatedly for long-term mass production. Low-quality thin etching dies cannot be repaired once worn out and require remanufacturing.

How to Maintain Cutting Dies？

1. Maintenance Before Use Check blades for burrs, curled edges and rust spots; clean dust, adhesive residue and leftover materials on the die surface. Wipe thin etching dies and precision engraving dies with anti-rust oil gently; avoid direct collision of blades. Check wear of ejection blocks and cutting pads to prevent product damage during cutting. 2. Maintenance During Production Regularly clean adhesive residue and waste inside the die cavity to prevent blade breakage caused by accumulated materials. Apply release coating when cutting sticky materials to reduce glue adhesion. Do not over-stamp thick materials with excessive pressure to avoid blade deformation. Stop the machine every 4–6 hours for die cooling and wiping under long continuous operation. 3. Post-production Maintenance (Anti-rust Focus) Fully remove all leftover glue, foil scraps and debris, then wipe dry with dust-free cloth. Evenly coat anti-rust oil on all metal parts including blades and die base. Clean debris from gaps of springs and ejector blocks to avoid jamming. Store dies in dry, moisture-proof and dark area. Use soft foam for stacking to prevent blade collision. 4. Long-term Storage Care Inspect anti-rust coating monthly and reapply oil if necessary. Keep away from humid, acidic or alkaline environment, coolant and solvent glue. Pack dies by category with marked model numbers to avoid accidental bumps. 5. Regular Die Refurbishment Stop production immediately if burrs or compression marks appear, and send dies for re-sharpening. Grind and reinforce worn hardware dies and rotary dies to extend service life. Replace worn springs, locating pins and ejector blocks regularly to guarantee cutting precision.

Points to Note for Custom Die Manufacturing？

Key Points to Confirm for Custom Die Manufacturing 1.Drawings & Tolerance Provide complete 2D drawings with clear dimensional tolerance. Specify precision requirement (general ±0.1mm, high precision ±0.03~0.05mm for golden fingers). Distinguish product thickness with or without liner film. 2.Raw Material Info Material type (PET, foil, foam, FR4, metal etc.), total thickness, material features (easy to stretch, prone to white squeeze marks, hard or soft material, sheet or roll stock). 3.Cutting Performance Standard Require clean cutting edges without burrs, white compression marks or edge curling. Confirm full cut / half cut, waste removal method: manual stripping, automatic blanking or pre-pressing ejector structure. 4.Production Machine Type Flat die cutting machine (for engraving / etching / wood laser dies), rotary machine (rotary dies), stamping press (QDC hardware dies). Whether matching pneumatic positioning fixtures. 5.Production Volume & Service Life Small sampling orders: etching dies. Medium & mass production: CNC engraving dies, rotary dies or hardware dies with wear-resistant treatment for repeated reconditioning. 6.Layout & Special Structure Single cavity or multi-cavity layout, locating pins, anti-pressure structure, customized blade height. 7.Trial Cutting & After-service We provide trial cutting before delivery. Clarify lead time and cost for drawing revision or die adjustment.

Die Selection for Different Materials

1.Ultra-thin film (PET, 0.15mm golden finger, conductive foil, adhesive tape ≤0.3mm) Etching Die: ideal for small sampling, clean cut without white squeeze marks. CNC One-piece Engraving Die: with ejector block, solve edge extrusion, reusable for medium mass production. 2.Medium-thick foam, non-woven fabric (0.3–5mm) Engraving Die with pre-pressing ejector; Wood Laser Die for low-cost simple parts. 3.Roll stock continuous production Rotary Die, high speed for roll material automatic production. 4.Hard material, metal sheet, FR4 board QDC Precision Hardware Stamping Die, high hardness, long service life. 5.Thick EVA, silicone rubber (>5mm) Thickened CNC Engraving Die / Wood Laser Die. 6.Automatic production line Matching all dies with custom positioning & pneumatic jigs and fixtures.

Which types of dies are suitable for mass production?

Rotary dies (one-piece solid engraved rotary rollers) are the top choice for long-run mass production of roll materials. Next are progressive QDC hardware stamping dies and high-quality solid CNC engraving dies with integrated waste removal structures. Magnetic flexible rotary dies, wood laser dies and PVC board dies are only fit for small or medium batch orders instead of large-volume production.

What series of die-cutting molds can our company supply, and how many categories are available?

Our main products include: 1.CNC Engraving Dies (Special-shaped engraving dies, blanking engraving dies included) 2.Etched Dies (Chemically etched thin blade dies) 3.Wood-Base Laser Cutting Dies 4.Pre-pressing Ejector Dies (Engraving dies with material ejector blocks) 5.Vacuum suction / blanking dies (Auto waste removal engraving dies) 6.QDC Hardware Stamping Dies (Precision metal stamping dies) 7.Rotary Dies (CNC solid engraved rotary rollers) 8.Complete sets of jigs & fixtures (Manual, positioning, inspection, sorting jigs) 9.Pneumatic Jigs (Auto compression tooling) 10.Pneumatic Punching Machines (Precision die-cutting stamping equipment)

Besides product manufacturing and R&D, what other supporting services can the company provide to its customers?

In addition to professional R&D and product manufacturing, the company has also established a comprehensive after-sales service system, which can provide customers with full-cycle after-sales support to ensure that customers receive timely and effective service guarantees during product use.

What is the company's core business scope and what specific die-cutting mold products can it provide?

From its early days, the company has been rooted in the die-cutting field, with its core business covering the production, R&D and sales of die-cutting products. Specific mold products that can be provided include: die-cutting laser die-cutting molds, engraving die-cutting molds, etching die-cutting molds, PET precision die-cutting molds, cutting board engraving molds, foam cutting engraving molds, and automatic material return engraving molds, serving multiple industries such as printing, electronics, and handicrafts.

Which industries are the die-cutting dies produced by the company mainly suitable for, and can they meet the personalized needs of different industries?

The die-cutting molds produced by the company are mainly suitable for printing, electronics, handicrafts and other industries. The company provides a variety of products such as laser knife molds, etching knife molds, PET precision die-cutting molds, etc., which can cover the basic production needs of different industries. At the same time, relying on professional R&D and design capabilities, it can combine industry characteristics with customers' specific production scenarios to provide customized mold solutions to meet personalized production needs.

Has the company obtained relevant system certifications? How does it guarantee product quality?

The company has passed ISO9001:2000 international quality management system certification and ISO14001 international environmental management system certification; it also has advanced production equipment and a comprehensive product testing center, and always regards "strict quality control" as the core focus, ensuring product quality throughout the entire process from production to testing.

What specialized departments related to molds have the company established so far?

The company has established a dedicated circular mold department and a QDC hardware mold business unit. The two departments have a clear division of labor and can meet the R&D and production needs of different mold products in a targeted manner.

When was your company established and what type of business is it?

Founded in 2012, the company is a national high-tech enterprise specializing in the production, research and development and sales of die-cut products, possessing professional technical strength and R&D capabilities in the die-cutting field.