
CNC Machining Mold Plates play a decisive role in the stability, durability, and accuracy of modern mold systems. As manufacturing becomes more demanding, industries require mold bases that deliver consistent dimensional integrity, excellent machinability, and long-term performance. High-quality CNC Machining Mold Plates ensure that critical mold components align perfectly, withstand repeated stress, and support efficient production cycles across plastic injection molding, die casting, stamping, and precision tooling.
Dongguan Luckyear Precision Mold Parts Co., Ltd. specializes in producing CNC Machining Mold Plates engineered for precision molds, supplying stable material properties, tight tolerances, and superior flatness to help manufacturers achieve optimized productivity.
CNC Machining Mold Plates must combine strength, hardness, stability, and machinability. Premium mold plates are selected and processed based on:
Material Uniformity – ensuring consistent hardness from surface to core.
Dimensional Accuracy – minimized warping and distortion after machining.
Surface Finish Quality – smoother surfaces reduce friction and improve mold life.
High-Load Capacity – resisting impacts and thermal variations.
Customizable Machining Options – including drilling, milling, tapping, and grinding.
Dongguan Luckyear Precision Mold Parts Co., Ltd. utilizes advanced CNC centers to guarantee exacting tolerances for customized mold plate applications.
1. Enhanced Accuracy
CNC machining ensures that each plate achieves precise thickness, parallelism, and perpendicularity. This directly improves mold cavity alignment and final product quality.
2. Reduced Machining Time
Pre-machined plates eliminate the need for extensive manual adjustment, allowing mold manufacturers to speed up overall production.
3. Longer Mold Life
Stable mold plates reduce stress concentration and deformation during high-temperature or high-pressure molding cycles.
4. Better Material Compatibility
Options such as P20, 1.2344, 1.2312, S50C, 718, and others ensure plates can be used across plastics, metals, and high-wear applications.
CNC Machining Mold Plates are widely used in:
Plastic Injection Mold Bases
Die Casting Mold Bases
Precision Stamping Tools
Automotive Component Molds
Electronic Device Molds
Medical and Optical Part Tooling
Custom Industrial Fixture Plates
Their mechanical stability makes them ideal for high-demand fields requiring repeated, accurate cycles.
Below is a simplified parameter table to demonstrate professional mold-plate configuration:
Technical Parameters of CNC Machining Mold Plates
| Specification Category | Details |
|---|---|
| Material Options | P20, 1.2344/H13, 1.2738, S45C, S50C, 718, SKD61 |
| Hardness Range | 28–35 HRC (P20), 38–52 HRC (H13/SKD61), Custom hardening available |
| Thickness Range | 10 mm–500 mm (customized) |
| Max Plate Size | Up to 2000 mm × 3000 mm (depending on material type) |
| Flatness Tolerance | ≤0.02 mm per 100 mm |
| Parallelism | ≤0.015 mm |
| Surface Roughness | Ra 0.8–1.6 μm (after precision grinding) |
| Machining Services | CNC milling, CNC drilling, grinding, tapping, chamfering, EDM preparation |
| Customization | Holes, slots, pockets, cooling channels, engraving |
Dongguan Luckyear Precision Mold Parts Co., Ltd. offers full customization for mold plates used in large molds, automotive tools, and high-precision electronics.
P20 / 1.2311 (Pre-Hardened Steel)
Good toughness and machinability
Ideal for plastic injection molds
1.2344 / H13 (Hot-Work Tool Steel)
Excellent heat-resistance
Suitable for die-casting molds
1.2738 (Pre-Hardened Alloy Steel)
Better polishability
Common for large mold bases
S50C / S45C (Carbon Steel)
Lower cost
Suitable for non-critical mold plates
Choosing the right material helps achieve longer service life, reduced machining costs, and stable molding performance.
1. Precision Manufacturing
With advanced CNC centers and strict quality inspections, every mold plate meets international accuracy standards.
2. Wide Material Inventory
A stable supply of tool steels ensures fast production and consistent quality.
3. Custom Engineering Support
We provide design optimization, machining suggestions, and material recommendations based on mold function.
4. Professional Export Packaging
Rust-proof protection and secure trays guarantee plates arrive ready for immediate machining or assembly.
5. Reliable Delivery Time
Fast machining cycles ensure customers maintain competitive production schedules.
1. Material Selection
Raw materials are sourced from trusted steel suppliers to ensure hardness consistency.
2. Rough Machining
CNC milling prepares the base shape and removes stress.
3. Stress Relief Treatment
Reduces internal deformation for stable molding performance.
4. Precision Grinding and Milling
Achieves required thickness, flatness, and parallelism.
5. CNC Drilling and Slotting
Creates accurate holes, pockets, and channels according to drawings.
6. Final Quality Inspection
Every plate is measured using CMM, micrometers, and hardness testers.
Higher production output due to stability and reduced rework
Lower maintenance costs through durable materials
Improved mold repeatability with accurate machining
Better product consistency across every production cycle
Shorter mold assembly time thanks to exact plate dimensions
Q1: What factors should I consider when selecting CNC Machining Mold Plates?
A1: Consider material hardness, thermal stability, machinability, flatness tolerance, and whether the plates will be used in injection molding, die casting, or stamping.
Q2: How do CNC Machining Mold Plates improve accuracy in molding applications?
A2: Their precise thickness, parallelism, and surface finish ensure perfect alignment between mold components, reducing flash, deformation, and cycle time.
Q3: Can CNC Machining Mold Plates be customized for complex designs?
A3: Yes. They can be machined with cooling channels, threaded holes, slots, pockets, and engraving based on detailed drawings.
Q4: What materials are recommended for high-temperature or high-pressure molds?
A4: Materials like H13 (1.2344) or SKD61 offer high thermal resistance and anti-wear performance for demanding die-casting or hot-runner applications.
For professional engineering support, customized machining solutions, or bulk production of CNC Machining Mold Plates, please contact Dongguan Luckyear Precision Mold Parts Co., Ltd. Our team provides fast response, technical guidance, and high-precision mold plate manufacturing for global customers.