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Automotive Components Industry Solutions

 

 

Auto parts in the processing, the traditional cutting tool often problems are:

① not hard wearing ;

② burst broadsword;

③ process does not move.

To solve the above problem, Halnn developed a variety of model number, specifically for the automotive parts research and development. Specific cutting tools programs are as follows.

1.Halnn superhard cubic boron nitride cutting tools BN-H11 model number, BN-H20 model number and BN-S20 model number processing automobile gear, the gear shaft solution: 

 

Automotive gears, Working condition of gear shaft is different, the selected cutting tool is different model number. Such as continuous gear or gear shaft, select HALNN BN-H11 model number cutting tools; moderate intermittent gear, select HALNN BN-H20 model number; strong intermittent gear, choose HALNN BN-S20 model number. Mainly applied to the finishing step, the table below for three kinds model number of cutting tool type of cutting parameters and tool design.

Working conditions

Grade

Cutting parameter

Inserts

Cut depth
(mm)

Feed
(mm/r)

Cutting speed
(m/min)

Continuous turning(finishing)

BN-H11

0.2

0.1

180

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Medium interrupted turning(finishing)

BN-H20

0.25

0.1

120

Heavy interrupted turning(roughing)

BN-S20

2.5

0.12

90

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Processing effect: BN-H11 model number and ceramic cutting tools compared, cutting tool life is 6 times of ceramic tool; BN-H20 model number and foreign imports cutting tools compared, not only the processing cheaper, and also long service life. BN-S20 model number and ceramic cutting tools compared, single-edged life expectancy is 16 times of the ceramic cutting tool.

2.Halnn superhard cubic boron nitride (CBN)cutting tools BN-S300 model number automobile engine block machining solution

Automobile engine block made of gray cast iron material, to ensure finish of engine block, using HALNN superhard cubic boron nitride cutting tools BN-S300 model number, This model number belongs to the integral type CBN tool (as below), mainly used in the finishing process.

BN-S300.jpg

Halnn superhard cubic boron nitride  (CBN )cutting tools BN-S300 model number CNC milling machine engine cylinder block solution (as below):

 

 

Process step: Finish milling

Milling inserts:BN-S300 SNMN090308 Dry milling

Milling Parameter: ap=0.3mm,Feed:0.12mm/r,n=2800, V/c=1700m/min

Milling inserts

Per corner life

Milling tools unit price(USD)

HALNN BN-S300

85

40

An European brand CBN

80

140

3.Halnn superhard cubic boron nitride cutting tools BN-S300 model number automotive engine cylinder liner processing solution
Since the cylinder liner not only need have sufficient strength and rigidity, but also must be high temperature, corrosion and wear resistance. So it usually adopts boron cast iron as the main material of cylinder liner, machining boron cast iron select HALNN superhard cubic boron nitride cutting tools BN-S300 model number the effect is significant. Specific processing case as below:

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Process step:Fine finishing outer circle                                                                                                      

Processing material:Boron cast iron                                                                            

Blade model number:BN-S300 

SNGA120412S02020,wet cutting   

Cutting Parameter:ap=0.5mm,Fr=0.25mm/r,Vc=850m/min

Cutting tools material

Cutting speed

Machining speed

Each cutting edge life

HALNN BN-S300

850m/min

23s/pc

120pcs/edge

A certain brand of ceramic inserts

500m/min

40s/pc

25pcs/edge

4.Halnn superhard cubic boron nitride cutting tools BN-S30 model number processing brakes, brake drum solution

Grey cast iron has better shock absorption and reduce wear, often as brakes, brake drum main material, in order to obtain workpiece surface finish. Adopt HALNN cutting tool BN-S30 model number processing brakes disc, brake drums parts, surface finish can be achieved Ra0.6. BN-S30 model number belong to the monolithic CBN cutting tools, cutting tool design as shown below:

BN-S30.jpg

Halnn superhard cubic boron nitride cutting tool BN-S30 model number machining brake disc case (as below):

 

Machined parts: Brake disc

Process:Roghing and semi-finishing,dry cut

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Blade:BN-S30 CNMN120716S03020;Dry cutting

Parameter:ap=2.5mm;Fr=0.45mm/r;Vc=350m/min 

 

Cutting tools material

Type

Process type

Halnn BN-H30 grade

CNMN120716

Dry cut

Coated carbide insert

CNMN120412

Wet cut

5.Halnn superhard cubic boron nitride cutting tools BN-K20 model number processing auto parts belt pulley solution

Belt pulley is often adopt gray cast iron as the main material, has good shock absorption antifriction. Using HALNN superhard cubic boron nitride cutting tools BN-K20 model number (as below) finishing belt pulley is not only to improve processing efficiency and also reduce processing costs, reduce environmental pollution.

bn-k20.jpg

Halnn superhard cubic boron nitride cutting tools BN-K20 model number processing belt pulley case (as below):

Process step:Fine finshing

Cutting tools:BN-K20 CNA120408-4S ;Dry cutting

Parameter:ap=0.3mm ;Fr=0.25mm/r ;Vc=550-700m/min;

Note:cast iron auto parts,such as:flywheel,belt pulley,clutch pressure plate and alxe housing etc.high-speed machining to improve process efficiency and surface roughness.

Cutting tools material

Roughness

Single corner life

HALNN BN-K20 grade

Ra0.7-Ra1.6

200pcs/corner

A certain brand of coated carbide inserts

Ra1.6-Ra3.2

35pcs/corner

 

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