Automotive +
Cylinder head tool
Zhengzuan is specialized in R & D and MFG technology of super hard cutting tools for 19 years. And also provides quality products and technical solutions through the standard and non- standard production line.
The impact of Zhengzuan brand not only lies in the creation of cutting value, but also from the continuous efforts and investment for promotion of Zhengzuan brand super hard cutting tools.
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Spark plug hole reamer（PCD）
Usable range:machinig of cylinder head spark plug hole
Application fields: automotive industry——cylinder head
3μm manufacturing tolerance of complex cutting edge and back cone ,can reach IT7 level tolerance；
Compound tools are formeded by pyrocondensation technology that guarantee higher precision and rigidity and excellent machining surface accuracy
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Tappet hole thick reamer
Usable range:finish machining of tappet hole
Application fields: automotive industry——cylinder head
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Gun reamer（RG301 welded type）
Product features：Overlong length-diameter ratio
Diameter: D5-D10
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Tappet hole finish machining reamer
Usable range:finish machining of tappet hole
Application fields: automotive industry——cylinder head
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Throat tool
Usable range: rough machining of tube and bezel bottom hole(in front of pressing ring)
Application fields: automotive industry——cylinder head
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PCD tools for guide tube and seat bottom hole
Application range: Finish machining for guide tube and seat bottom hole
Application field: Automobile industry-cylinder head
Pyro-condensation make two kinds of material composited finely, which can increase the mechanical reliability.
Concentricity makes better tool life and dimensional precision.
Radial run-out is adjustable because of flange connecting.
Inner coolant way makes better chip removal result.
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Tools for guide tube and seat
Application range: Finish machining for guide tube and seat sealing surface
Application field: Automobile industry-cylinder head
Finish machining of guide hole and seat cone with high efficiency
Combine semi-finish machining and finish machining to guarantee the tool life.
The proper use of ream machining to guarantee concentricity.
Boring inserts can be fine-tuned.
Machining both PCD and PCBN material, the durability and quality can be better.
Adjustable, more convenient.
Supply re-tip and reground service to reduce costs.
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Face milling cutter（MFAC30 series）
Features:standard series,milling cartridge can be fine-adjusted on end face accurately, tool body is adopted high strength aluminium gold .
Diameter: D63-D250
Edge number: 3-15
Tool holder type:(alternative keyway connecting tool holder)
Axial rake angle: +
Internal cooling: internal cooling
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PCD ball nose mill（MEA30S series）
Features:minor diameter copying cutting, minor diameter and high precision round cutting edge, which usually used for finish machining.
Diameter: D3-D5
Edge number: 1
Tool holder type: HA（DIN6535）
Axial rake angle: 0°
Internal cooling: external cooling
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PCD ball nose mill（MEA30 series）
Features: general purpose copying cutting, different cutting engde length with the same specifications and diameter ,high precision round cutting edge, which usually used for finish machining.
Diameter: D6-D20
Edge number: 2
Tool holder type: HA（DIN6535）
Axial rake angle: 0°
Internal cooling:internal cooling(alternative external cooling )