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gmn150 Mgmn200 Mgmn300 Mgmn400 Mgmn500 Mgmn600 High cost performance CBN Inserts
1. A more optimized substrate, excellent CBN composite sheet, and excellent welding process ensure better cutting performance;
2. The insert has a more outstanding cost-effectiveness ratio, with a lower price resulting in a longer insert lifespan;
3. Adequate inventory to meet the demand for various series of inserts;
| Parameter Table | |||
| PCD | CBN | ||
| Heat Resistance/ºC | 700-800 | Heat Resistance/ºC | 1400-1500 |
| Compressive Strength/Mpa | 600-1100 | Compressive Strength/Mpa | 500-800 |
| Fracture Toughness/Mpa.m1/2 | 9 | Fracture Toughness/Mpa.m1/2 | 9 |
| Hardness | >8000HV | Hardness | 3500-5000HV |
| Thermal Conductivity/[W/(m.k)] | 700 | Thermal Conductivity/[W/(m.k)] | 200-300 |
| Thermal Expansion Coefficient/(10-6/K) | 0.9-1.18 | Thermal Expansion Coefficient/(10-6/K) | 3.5-4.8 |
| Suitable materials for processing | PCD:Aluminum and its aluminum alloys, copper and its copper alloys, hard alloys, titanium/magnesium/zinc/lead and other non-ferrous metals. Glass fiber, carbon fiber reinforced plastic and other non-metallic materials. | ||
| CBN:hardened steel(45-65HRC),bearing steel(60-62HRC),high-speed steel(>62HRC),tool steel(57-60HRC),chilled cast iron,High-temperature alloy,High speed of difficult to machine materials,Replacing Grinding with turning. | |||
| Recommended processing parameters | |||||
| Type | Workpiece material | Hardness | Vc(m/min) | fn(mm/rev) | ap(mm) |
| CBN | Gray Iron | HB170-230 | 500-1500 | 0.1-0.4 | 0.1-1.5 |
| Nodular Cast Iron | HB240-300 | 200-400 | 0.1-0.4 | 0.1-1.5 | |
| Alloy Cast Iron | HB240-300 | 150-300 | 0.05-0.4 | 0.1-1.5 | |
| Iron Base Alloys | HRC45-50 | 50-150 | 0.05-0.4 | 0.05-0.5 | |
| Hardened Steel | HRC45-65 | 80-200 | 0.05-0.2 | 0.05-0.2 | |
| Heat-Resisting Alloy | 50-200 | 0.05-0.2 | 0.05-0.2 | ||
| PCD | Aluminum and its aluminum alloys | 200-3000 | 0.05-0.5 | 0.05-1.0 | |
| Non-Metallic Materials | 100-500 | 0.05-0.5 | 0.05-1.0 | ||
| Cemented Carbide | 20-30 | 0.05-0.2 | 0.05-0.2 | ||
1. Flank Wear? Higher cutting resistance,Notch wear on flank, Poor roughness of surface, or deterioration of accuracy.
Soft grades,Excessive cutting speed,Small flank angle,Low feed.
Select a higher,wear-resistant grade,Reduce cutting speed,Increase flank angle,Increase feed.
2. Crater Wear? Uncontrolled chip,Poor surface quality,when finishing High speed processing carbon steel.
Soft grades,Excessive cutting speed, Excessive feed,The strength of chip breaker Insufficiet.
Change to a higher wear-resistant grade,Reduce cutting speed,Reduce feed, Select a higher strength chip breaker.
3. Chipping? Sudden fracture of cutting edge(rake face and flank),Instability insert life.
Toughness insufficient,Excessive feed rate,Strength of cutting edge insufficient,Instability of the tool.
Select a tougher grade, Decrease feed rate, Increase honing of cutting edge(chamfering to rounding),Increase the stability and setting angle.
4. Insert Fracture? Cutting resistance increased Poor surface roughness.
Toughness insufficient, Excessive feed rate, Strength of cutting edge insufficient,Instability of the tool.
Select a tougher grade, Decrease feed rate,Increase honing of cutting edge(chamfering to rounding),Increase the stability and setting angle.
5. Plastic Deformation?Variation of dimension Nose wear,cutting edge drape or passivating.when processing alloy steel Poor surface roughness.
Soft grade,Excessive cutting speed,Excessive cutting depth and feed rate,Overheat on cutting edge.
Select a higher red hardness cutting material,Decrease cutting speed,Decrease cutting depth and feed rate,Select a higher thermal conductivity cutting material(CVD+sufficient coolant).
6. Build-Up-Edge? Workpiece dissove with Cutting edge Poor surface roughness when finishing,Cutting resistance increased,Cutting soft materials.
Cutting speed too low, Cutting edge obtuse,Unsuitable tool material.
Increase cutting speed, Increase rake angle,Select small sticking force.
1. Q: Is free shipping possible?
A: We don't offer free shipping service,but we will give you some discount if you buy large quantity products.
And we have cooperation Express Companies, can offer you the best price of shipping cost.
2. Q:Are you manufacturer or distributor?
A: We are a manufacturer. And we also have our own trading company.
We have a professional R&D team, sale team,etc.
We can provide you the best quality goods and the perfect service.
3. Q: When can I get the price?
A: We usually quote within 24 hours after we get your inquiry.
If you are very urgent to get the price, please call us or tell us in your email so that we will regard your inquiry priority.
4. Q: What is the advantage about your company?
A: Our company has professional team and professional production line.
5. Q: Why should I choose your products?
A: Our products are high quality and low price.
6. Q: How can I get a sample to check your quality?
A: After price confirmation, you can require for samples to check our quality.
If you just need a blank sample to check the design and paper quality,
we will provide you sample for free, as long as you afford the express freight.
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