Interior Mold

2738 pre-hardened mold steel is a common material for large automotive interior injection molds. Core components include mold cavities, cores, mold insert, insert slots, and deep rib curved surfaces. These components feature complex curved surfaces, large dimensions, high requirements for polishing and texturing performance, susceptibility to surface tempering softening from cutting heat, and susceptibility to stress deformation after machining. The machining process imposes stringent requirements on the surface quality of molded curved surfaces, corner cleaning quality, and overall dimensional stability. Ahno offers a complete solution for 2738 mold steel large interior molds, rapidly helping customers progress from sample testing to mass production.

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Case Details

Machining Steps:

1、Six-face datum rough machining of mold blank

2、Rough machining of the main cavity in the cavity and core to remove stock

3、Semi-finish machining of mold surface and insert slots

4、Finish machining of molded curved surfaces

5、Corner residual material and deep rib narrow slot cleaning

6、Benchwork polishing / pre-treatment before texturing

Ahno-Loong Series Economical Face Milling Cutter M1345-ON06 Series:

Ahno-Loong Series Economical Face Milling Cutter M1345-ON06 Series: For rough machining of six-face datum and large flat surfaces of mold blanks, efficiently removing blank stock. Double-sided insert with 16 cutting edges, pressed-grade, featuring a high positive rake angle design that balances machining efficiency and tool cost.

Ahno-Loong Series Multi-functional Square Shoulder Milling Cutter M2390-XO16 Series:

For rough and semi-finish machining of large and small cavities, achieving high-efficiency cutting with long overhang and large step-over, leaving uniform finish machining allowance. The insert's curved cutting edge effectively reduces cutting resistance and vibration, ensuring machined surface quality and extending insert life.

AHMRF Solid Carbide Corner Radius End Mill:

AHMRF performs semi-finish machining on local steps and narrow slots inaccessible to indexable tools, correcting local allowance to ensure uniform allowance across the entire area and providing stable cutting conditions for subsequent finish machining.

AHMB Solid Carbide Ball Nose End Mill:

For finish machining of main molded curved surfaces. High tool tip profile accuracy (±0.005 mm), specially polished cutting edge, compatible with streamline and parallel milling surface strategies, achieving low surface roughness and reducing subsequent polishing time.

AHMBL Solid Carbide Flat End Mill / AHMEF Ball Nose End Mill:

AHMBL and AHMEF perform corner cleaning on cavity corner roots and deep rib narrow slot residual material, removing semi-finish residual stock, avoiding sudden load changes on finish machining tools, and preventing overcut and edge chipping risks.

Case Consultation

If you are interested in our products, please feel free to contact us to discuss potential collaboration.

Phone:0512-67067202
0512-62877712
Fax:+86-0512-62561293
Email:Info@ahno-tool.com
Address:No. 9 Kezhi Road, Suzhou Industrial Park

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