- 100% Solid PCBN Structure: The entire insert is made of premium PCBN, offering maximum cutting edges and the lowest cost-per-edge.
- Extreme Hard Machining (HRC 45-68): Perfectly replaces slow grinding processes for high-speed roughing on hardened steel & cast iron.
- Factory Direct Pricing & OEM: Direct supply with customized edge preparation (chamfering/honing) to maximize your CNC tool life.
- Optimize Your Machining Cost Today! Click 'Send Inquiry' for Grade Datasheet and Bulk Discounts.
Nkowa
Technical Parameter & Detail Specification
RNMN120400-CD3800 Solid PCBN Insert
Parameter / Feature | Specification Details |
Model Number | RNMN120400 (RNMN1204) |
Shape | R - Round (Solid PCBN without hole) |
Inscribed Circle (IC) | 12.7 mm |
Thickness (S) | 4.76 mm |
Grade | CD3800 (Premium High-Content Solid PCBN) |
Structure | Solid PCBN (100% full-volume CBN material, multi-edge usability) |
Machining Parameters & Applications
Category | Application & Values |
Machining Hardness | HRC 45 – HRC 68 (Highly optimized for ultra-hard metals) |
Machining Method | Heavy-duty rough turning, high-depth profiling, heavily-interrupted cutting |
Cutting Speed (V_c) | Hardened Steel: 80 - 160 m/min | Hard Cast Iron/Rolls: 150 - 450 m/min |
Feed Rate (f) | 0.10 - 0.40 mm/rev (High feed rate capability) |
Depth of Cut (a_p) | 0.2 - 2.5 mm (Engineered for deep stock removal) |
Target Materials
Hardened Steels: High-speed steel (HSS), bearing steel, alloy tool steel, carburized steel (e.g., GCr15, Cr12MoV, 20CrMnTi).
High-Hardness Cast Iron: High-chromium cast iron, Ni-hard cast iron, chilled cast iron, and nodular graphite iron rolls.
Abrasive Materials: Powder metallurgy components, hard-facing cladding alloys, and sintered iron.










Primary Application Fields
Roll Machining Industry: Heavy-duty rough turning and finishing of mill rolls, crescent ribs, and section rolls in steel plants.
Automotive Transmission Systems: Processing of hardened automotive components such as gear shafts, transmission gears, CV joints, and brake discs.
Mining & Heavy Machinery: Precision machining of large slurry pump impellers, wear-resistant liners, and heavy industrial crusher components.
Die & Mold Industry: Direct hard-milling or turning of high-alloy injection molds and stamping die cores without soft annealing.

Looking for a Reliable Solid PCBN Supplier?
Optimize Your Machining Cost Today! Click 'Send Inquiry' for Grade Datasheet and Bulk Discounts.



FAQ
1) Kedu mgbe m nwere ike nweta ọnụahịa ahụ?
Anyị na-ehotakarị n'ime awa 24 mgbe anyị nwetasịrị ajụjụ gị. Ọ bụrụ na ị dị ngwa ngwa iji nweta ọnụahịa ahụ, biko kpọọ anyị ma ọ bụ gwa anyị na email gị ka anyị wee leba anya na ajụjụ gị dị mkpa.
2) Kedu ka m ga-esi nweta sample iji lelee ogo gị?
Mgbe nkwenye ọnụahịa gasịrị, ị nwere ike ịchọ maka nlele iji lelee àgwà anyị. Ọ bụrụ na ịchọrọ naanị nlele oghere iji lelee imewe na ịdị mma akwụkwọ, anyị ga-enye gị nlele n'efu, ọ bụrụhaala na ị na-enweta ibu awara awara.
3) Ogologo oge ole ka m ga-atụ anya inweta sample?
Mgbe ịkwụchara ụgwọ nlele ma ziga anyị faịlụ ndị enwetara, ihe nlele ahụ ga-adị njikere maka nnyefe na ụbọchị 3-7. A ga-ezigara gị ihe nlele ahụ site na ngwa ngwa wee bịarute n'ime ụbọchị ọrụ 3-7. Ị nwere ike iji akaụntụ awara awara nke gị ma ọ bụ kwụọ anyị ụgwọ ma ọ bụrụ na ịnweghị akaụntụ.
4) Ogologo oge ole ka a na-arụ ọrụ ahụ dum?
Mgbe ị nyechara iwu, oge njikwa mmepụta ihe dị ka ụbọchị 20-25. Anyị chọrọ ụbọchị 7 iji dozie ihe niile wee 15 ụbọchị maka nrụpụta.
5) Kedu maka ụbọchị njem na nnyefe?
Dị ka ọ na-adịkarị, anyị na-eji mbupu na-ebufe ngwongwo ndị ahụ. Ọ bụ ihe dị ka ụbọchị 7-25. Ọ na-adaberekwa na ọdụ ụgbọ mmiri na ọdụ ụgbọ mmiri ị nọ. Ọ nwere ike ịdị mkpụmkpụ ma ọ bụrụ na ịchọrọ iziga ngwaahịa dị ka Asia. Ọ bụrụ na enwere ụfọdụ ihe mberede, anyị nwere ike izipu ngwongwo ndị ahụ site na ikuku ikuku, ọ bụrụhaala na ị na-akwụ ụgwọ ụgwọ okporo ụzọ.
6) Ị bụ ụlọ ọrụ azụmaahịa ma ọ bụ onye nrụpụta?
Anyị bụ ndị nrụpụta ọkachamara. Ọ bụghị naanị na anyị nwere ụlọ ọrụ akụrụngwa anyị, mana anyị nwekwara ụlọ ọrụ carbide cimented.
7) Ebee ka ụlọ ọrụ mmepụta ihe gị dị?
Anyị dị na Zhuzhou obodo, Hunan Province., Tungsten carbide isi obodo China.
8) Ogologo oge ole ka m ga-atụ anya inweta sample?
Mgbe ịkwụchara ụgwọ nlele ma ziga anyị faịlụ ndị enwetara, ihe nlele ahụ ga-adị njikere maka nnyefe na ụbọchị 3-7. A ga-ezigara gị ihe nlele ahụ site na ngwa ngwa wee bịarute n'ime ụbọchị ọrụ 3-5. Ị nwere ike iji akaụntụ awara awara nke gị ma ọ bụ kwụọ anyị ụgwọ ma ọ bụrụ na ịnweghị akaụntụ.
9) Kedu maka ngwaahịa gị?
Anyị nwere nnukwu ngwaahịa ngwaahịa na ngwaahịa, ụdị oge niile na nha niile dị na ngwaahịa.
10) Enwere ike mbupu n'efu?
Anyị anaghị enye ọrụ mbupu n'efu. Anyị nwere ike ịnwe mbelata ma ọ bụrụ na ịzụtara nnukwu ngwaahịa
Enwere onwe gị ịkpọtụrụ m:
Aimee
Onye njikwa ịre ahịa
Ụgwọ nke ụlọ ọrụ Zhuzhou Chuangde Cemented Carbide Co., Ltd
215, building 1, International Students Pioneer Park,
TaishanRoad, Tianyuan Distrikti, City Zhuzhou .
Email: cd@cdcarbide.com
Tel:+86-731-22506139
Mobile:+8613786352688
WhatsApp/wechat/Skype: 0086 13786352688




















