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Tipped pcd turning and milling inserts polycrystalline diamond inserts with brazed pcd cut edges

Advantage of tipped pcd inserts over full faced pcd inserts is the lower price, tipped insert is i use only economic type, it requires a carrier like tungsten carbide base every bit substrate for the insert, and substrate have a pocket that will accommodate and support the tip, the working tips are brazed to tungsten carbide base, 1~4 tips depends on different insert shapes, this braze joint of tipped pcd inserts represents the weak link not so good as full face pcd inserts, the maximum cutting depth is non more than lxxx% of the tip length, tipped pcd inserts could be 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 express and could not exceed 700℃, also the work material has no affinity with carbon, pcd inserts are widely used for machining non ferrous metals of tungsten carbide, aluminum, copper, zinc; and non metals textile of plastic, rubber, wood, ceramics.

There are different shapes of inserts available in the market. You lot should have detailed knowledge most all these shapes earlier y'all are going to buy. 1. C shape is the diamond shape (80 caste) ii. D Shape is also a Diamond shape (55 degree) 3. K Shape is a parallelogram in shape (55 caste) 4. R is for the round shape five. S represents the foursquare shape 6. T is for the triangle shape 7. V is another code for diamond shape (35 degree) eight. W represents the Hexagon (lxxx degree)

PCD insert shape C (80° 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 (threescore° 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 West (80° Hexagon)

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

superabrasives tooling tipped with constructed polycrystalline diamond (PCD) has accomplished a bully reputation for productivity in machining nonferrous materials from 1970s, though tipped pcd inserts are more expensive than tungsten carbide inserts, inserts with pcd cut edges have profoundly increased the fine machining work parts, and the lifetime is virtually two hundred times than tungsten carbide inserts, clients can process thousands of work parts instead of hundreds without compensating for size offsetting before 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 specially for different types of technologies and other avant-garde material processes. These are highly beneficial and take different characteristics and advantages. These are ameliorate and cheaper than that of full top surface pcd inserts and also offer a better surface finishing.

These tipped inserts are made of pure polycrystalline diamond and cannot exist destroyed. It provides the best functioning and offer hardness too. It also has a high wear resistant power with a long service life. They are also available in affordable prices and thus industries practice 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 Awarding Aluminum Motorcar and motorcycle spare parts, engine, trounce, bearing. Aircraft spare parts, shell, compression components. Precision mechanical spare parts, hydraulic machine. Aluminum blend Cast Aluminum Copper Motorcar, vehicles, transport spare parts, mandrel, gear, bearing parts. Electric mechanism spare parts: electrical motor, commutator. General mechanical spare parts: bearings, screws. Copper blend Casting copper alloy Cemented carbide Sintered tungsten carbide mold Non metals cemented Solid wood and man-made plywood, organic materials. Acrylic, reinforced synthetic resin, stone, ceramics, etc.

Recommended cutting condition Cutting 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~i.0 Not metals cemented 100~500 0.05~0.five 0.05~1.0 Tungsten carbide 20~30 0.05~0.ii 0.05~0.2

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

Micro structure of PCD fabric PCD inserts cutting with/without bit breaker

PCD Grain size=5μ for turning of aluminium blend with silicon content (Si<12%), the inserts are suitable for cutting graphite, carbon, plastic, rubber, rood, copper and bronze alloys, zinc. it provides a skillful surface finish, excellent wear resistance, medium impact strength.

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

Splendid surface cease of fine grain size PCD grain size affects work piece surface roughness PCD materials wearable resistance comparison in different grain size

Selecting the optimum grade of pcd tooling for a specific awarding is generally a role of surface end requirements and tool life expectations. Fabric removal rates, tool geometries, and material characteristics also impact the relationship between machining productivity, tool life and surface stop.

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

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