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Tipped pcd turning and milling inserts

polycrystalline diamond inserts with brazed pcd cutting edges

Advantage of tipped pcd inserts over full faced pcd inserts is the lower cost, tipped insert is one use just economical type, information technology requires a carrier similar tungsten carbide base as substrate for the insert, and substrate have a pocket that will suit and back up the tip, the working tips are brazed to tungsten carbide base, ane~iv tips depends on different insert shapes, this braze joint of tipped pcd inserts represents the weak link not so skilful every bit full confront pcd inserts, the maximum cutting depth is non more 80% of the tip length, tipped pcd inserts could exist used for fine to super fine precision machining, continous to interrupted machining, to obtain a good surface finish. As pcd is a polycrystalline form of diamond, so the cut temperature is limited and could not exceed 700℃, likewise the work fabric has no affinity with carbon, pcd inserts are widely used for machining non ferrous metals of tungsten carbide, aluminum, copper, zinc; and not metals material of plastic, rubber, wood, ceramics.

There are unlike shapes of inserts available in the market place. You should have detailed knowledge almost all these shapes before you are going to purchase.
i. C shape is the diamond shape (80 degree)
2. D Shape is also a Diamond shape (55 degree)
three. 1000 Shape is a parallelogram in shape (55 degree)
four. R is for the circular shape
5. S represents the square shape
half-dozen. T is for the triangle shape
7. V is another code for diamond shape (35 degree)
8. Westward represents the Hexagon (80 degree)

PCD insert shape C (fourscore° diamond)

CCGW/CCMW0602	CCGW/CCMW09T3	CCGW/CCMW1204	CPGW/CPMW0602	CPGW/CPMW09T3
CCGT/CCMT0602	CCGT/CCMT09T3	CCGT/CCMT1204	CPGT/CPMT0602	CPGT/CPMT09T3

PCD insert shape D (55° Diamond)

DCGW/DCMW0702	DCGW/DCMW11T3	DPGW/DPMW0702	DPGW/DPMW11T3
DCGT/DCMT0702	DCGT/DCMT11T3	DPGT/DPMT0702	DPGT/DPMT11T3

PCD insert shape T (sixty° Triangle)

TCGW/TCMW0902	TCGW/TCMW1102	TCGW/TCMW16T3	TPGW/TPMW0902	TPGX/TPMX1103
TCGT/TCMT0902	TCGT/TCMT1102	TCGT/TCMT16T3	TPGT/TPMT0902

PCD insert shape Five (35° Diamond)

VBGW/VBMW1604	VCGW/VCMW1103	VCGW/VCMW1604
VBGT/VBMT1604	VCGT/VCMT1103	VCGT/VCMT1604

PCD insert shape W (eighty° Hexagon)

WCGW/WCMW0402	WCGW/WCMW06T3
WCGT/WCMT0402	WCGT/WCMT06T3

superabrasives tooling tipped with synthetic polycrystalline diamond (PCD) has accomplished a bang-up reputation for productivity in machining nonferrous materials from 1970s, though tipped pcd inserts are more expensive than tungsten carbide inserts, inserts with pcd cutting edges have greatly increased the fine machining work parts, and the lifetime is about two hundred times than tungsten carbide inserts, clients can process thousands of work parts instead of hundreds without compensating for size offsetting earlier an insert replacement.

The pcd tipped inserts are mainly used for the turning and milling of the non-ferrous difficult metals, These inserts are manufactured especially for different types of technologies and other advanced cloth processes. These are highly beneficial and have different characteristics and advantages. These are meliorate and cheaper than that of full top surface pcd inserts and also offering a ameliorate surface finishing.

These tipped inserts are made of pure polycrystalline diamond and cannot be destroyed. It provides the best performance and offer hardness too. It as well has a high wear resistant ability with a long service life. They are likewise bachelor in affordable prices and thus industries do not have to spend a lot over these inserts. It has a superior processing precision and with all these qualities and benefits, these inserts are grabbing a great position in market place worldwide.

**WORK MATERIAL AND APPLICATION**
Work material	Application
Aluminum	Motorcar and motorcycle spare parts, engine, vanquish, begetting. Aircraft spare parts, shell, compression components. Precision mechanical spare parts, hydraulic car.
Aluminum blend
Bandage Aluminum
Copper	Automobile, vehicles, send spare parts, mandrel, gear, bearing parts. Electrical machinery spare parts: electric motor, commutator. Full general mechanical spare parts: bearings, screws.
Copper alloy
Casting copper alloy
Cemented carbide	Sintered tungsten carbide mold
Not metals cemented	Solid woods and man-made plywood, organic materials. Acrylic, reinforced synthetic resin, stone, ceramics, etc.

**Recommended cutting condition**
	Cut material	Cutting speed Vc (yard/min)	Feed f (mm/rev)	Depth of cut ap (mm)
PCD	Aluminum and Aluminum alloy	200~3000	0.05~0.5	0.05~1.0
	Non metals cemented	100~500	0.05~0.5	0.05~1.0
	Tungsten carbide	xx~30	0.05~0.2	0.05~0.2

pcd inserts with bigger diamond particles perform a greater chafe resistance, but the cut edge is rough.
on the other hand, smaller diamond particles offer the insert with a sharper cutting edge, it will become a superior workpiece surface terminate, simply less lifetime.

Micro construction of PCD fabric	PCD inserts cutting with/without scrap billow

PCD Grain size=5μ for turning of aluminium alloy with silicon content (Si<12%), the inserts are suitable for cut graphite, carbon, plastic, prophylactic, rood, copper and bronze alloys, zinc. it provides a good surface cease, excellent vesture resistance, medium impact strength.

PCD Grain size=25μ for crude to terminate turning of aluminium with high silicon content (Si>12%), rough turning of highly abrasive composites, cemented tungsten carbide <12% cobalt, ceramics. it has loftier wear resistance and impact strength.


Excellent surface finish of fine grain size	PCD grain size affects work piece surface roughness	PCD materials wear resistance comparison in unlike grain size

Selecting the optimum class of pcd tooling for a specific application is generally a office of surface finish requirements and tool life expectations. Material removal rates, tool geometries, and cloth characteristics also bear on the relationship between machining productivity, tool life and surface stop.

Source: http://www.pcd-insert.com/tipped_pcd_insert/tipped_polycrystalline_diamond_pcd_cutting_tool_inserts_for_turning_milling.html

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