55° D-Shape Precision Ground Insert is a high-precision full-ground carbide turning tool independently developed and produced by Shenzhen Xinminghui Diamond Tools Co., Ltd. Adopting standard 55-degree D-shaped geometric design, this insert is professionally optimized for fine turning, profiling, contour processing and high-precision finishing scenarios that require ultra-smooth workpiece surface and strict dimensional tolerance control.
Different from ordinary pressed inserts, the entire body of the 55° D-Shape Insert is processed by multi-pass precision grinding
As a core product of precision ground carbide insert series, this D-type insert covers universal precision machining needs of multiple metal materials, providing reliable and high-efficiency tooling solutions for global CNC precision processing manufacturers.
Standard 55° D-Type Optimized Geometry
Classic 55-degree D-shaped open-angle design balances cutting sharpness and tool rigidity perfectly. It is suitable for complex contour turning, arc profiling and end face finishing, solving the problem of poor surface finish of traditional square and triangular inserts in special-shaped machining.
Full Precision Ground Overall Body
Adopting full-body precision grinding process, the insert bottom, side edges and cutting edge are all finely polished with minimal tolerance. The edge is sharp and burr-free, ensuring zero-error fitting with the tool holder and stable clamping state during high-speed machining.
Excellent Finishing Performance
The optimized cutting edge angle reduces cutting heat and friction, effectively suppressing tool built-up edge. It achieves mirror-level finishing effect on stainless steel, aluminum alloy and precision steel parts, greatly reducing subsequent polishing procedures.
High Hardness & Wear Resistance
Made of high-density high-performance tungsten steel carbide material, with excellent hardness, impact resistance and high-temperature wear resistance. It maintains stable cutting performance in continuous fine turning processing, extending tool service life and reducing tool replacement frequency.
Wide Material Compatibility
Matched with different professional coatings and carbide grades, the insert can adapt to finishing processing of various metal materials, with strong versatility and wide application range in precision CNC machining.
Customizable Precision Tooling
Support personalized customization of cutting edge treatment, special coating, dimensional tolerance and edge rounding according to customer processing materials and precision requirements, meeting special high-standard finishing processing needs.
| Item | Specification |
Name | Swiss Type Precision Ground Carbide Turning Inserts |
Model | 55° D Type Series |
Material | Tungsten Carbide |
Customization | Non-standard Customization Available |
Applicable Materials | Stainless Steel / Aluminum Parts / Steel / Superalloy / Titanium Alloy |
Features | Sharp & Wear-resistant, High Hardness, Superior Surface Finish, Anti Built-up Edge |
Packing | 10 pcs per box |
Price | Price per piece |
55° D-Shape precision inserts are compatible with standard D-type tool holders, suitable for mainstream precision CNC lathes, walking machines and automatic turning equipment in the market. The standardized structure ensures universal installation and stable clamping, which can perfectly match various precision finishing and profiling turning processes.
Superior Finishing Machining Effect
The 55° open-angle design reduces cutting contact area and friction, with smooth chip removal. It effectively avoids tool marks and burrs on the workpiece surface, achieving high-gloss finishing quality and improving product grade.
Stable Batch Machining Consistency
Full precision grinding process ensures uniform dimensional accuracy and cutting edge performance of each insert. No quality fluctuation occurs in long-term batch production, effectively improving product yield and processing stability.
Low Cutting Resistance & No Deformation
Optimized geometric angle reduces cutting force and machining heat, avoiding thermal deformation and dimensional deviation of thin-walled and precision workpieces, meeting strict tolerance processing requirements.
High Cost-Performance & Long Service Life
High-quality carbide substrate and exquisite grinding technology greatly enhance wear resistance and impact resistance. The durable tool performance reduces tool replacement times and production downtime, saving overall processing costs for customers.
This 55° D-type precision insert is mainly used for high-precision finishing and complex contour turning, widely applicable to various high-standard CNC machining scenarios:
Precision outer circle and inner hole fine turning
Complex arc and special-shaped contour profiling machining
High-surface-quality workpiece finishing
Small tolerance precision batch component processing
Automotive precision parts turning
Medical and electronic precision component machining
Shenzhen Xinminghui Diamond Tools Co., Ltd. is a professional manufacturer focusing on R&D and production of precision ground carbide cutting tools. We have advanced CNC grinding equipment, complete precision testing instruments and standardized production systems to ensure that every precision insert reaches international high-precision standards.
We focus on the pain points of precision finishing processing, and independently develop high-precision D-type, double-hole positioning, grooving and other series of inserts. We insist on full grinding process to replace ordinary pressed inserts, helping customers solve problems of poor finishing, low precision and short tool life. We can provide standard products and customized tooling solutions according to customer equipment parameters and processing requirements.
We provide professional customized services for 55° D-Shape precision ground inserts to meet personalized precision processing needs:
Custom insert overall dimensions and tolerance grades
Custom cutting edge rounding and edge strengthening treatment
Custom professional coatings for stainless steel, aluminum and alloy materials
Custom special groove types for chip breaking and chip removal
Custom carbide grades for high temperature and high hardness processing
Support drawing customization, sample copying and OEM production
1. What is a 55° D-Shape Precision Ground Insert used for?
55° D-Shape precision ground inserts are mainly used for CNC precision finishing, outer circle/inner hole fine turning and complex contour profiling machining, suitable for high-precision and high-surface-quality workpiece processing scenarios.
2. What are the advantages of 55° D-type insert compared with other inserts?
The 55° open-angle structure has better accessibility for special-shaped and arc workpieces than square inserts, and has higher rigidity and better stability than triangular inserts. With full precision grinding, it achieves excellent finishing effect and dimensional accuracy.
3. What materials can the 55° D-Shape insert process?
Matched with different carbide grades and coatings, it can process stainless steel, carbon steel, alloy steel, aluminum alloy, copper alloy, titanium alloy and other precision metal materials, covering most precision finishing scenarios.
4. Can the 55° D-Shape insert be customized?
Yes. We support full-range customization of insert size, edge treatment, groove type, coating and substrate material. Customers can provide processing requirements, drawings or samples for exclusive tooling solutions.
5. Is the D-shape insert suitable for mass production?
Absolutely. The full precision grinding process ensures consistent performance of each insert, with stable cutting and long service life. It is very suitable for high-precision and high-stability batch mass production.
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