- 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.
Whakaaturanga
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) Ahea e taea ai e au te utu?
I te nuinga o nga wa ka korero matou i roto i nga haora 24 i muri i to maatau patai.Mehemea kei te tino akiaki koe ki te tiki i te utu, waea mai ki a maatau, korero mai ranei i to imeera kia whai whakaaro ai matou ki to patai.
2) Me pehea e taea ai e au he tauira hei tirotiro i to kounga?
I muri i te haamauraa utu, ka taea e koe te tono mo nga tauira hei tirotiro i to maatau kounga. Mena ka hiahia noa koe ki tetahi tauira waatea hei tirotiro i te hoahoa me te kounga o te pepa, ka tukuna atu e matou he tauira mo te kore utu, i te mea ka taea e koe te utu mo te utu utu.
3) Kia pehea te roa ka tumanako ahau ki te tiki i te tauira?
I muri i to utu i te utu tauira me te tuku mai i nga konae kua whakamanahia, ka rite nga tauira mo te tuku i nga ra 3-7. Ka tukuna atu nga tauira ki a koe ma te korero ka tae mai i nga ra mahi 3-7. Ka taea e koe te whakamahi i to ake putea korero, utu tomua ranei ki a maatau mena kaore he putea.
4) Kia pehea te roa o te mahi katoa?
I muri i to tuunga ota, ko te waa whakahaere mo te 20-25 ra. Me 7 nga ra ki te whakarite i nga mea katoa ka 15 nga ra mo te hanga.
5) He aha te waa kawe me te ra tuku?
Ko te tikanga ka whakamahia e matou he tuku ki te whakawhiti i nga taonga. Ko te 7-25 nga ra. Ka whakawhirinaki ano ki tehea whenua me te tauranga kei a koe. He poto ake mena ka hiahia koe ki te tuku i nga taonga penei i a Ahia. Mena he ohorere ka taea e matou te tuku i nga taonga ma te rererangi rererangi, mena ka utua e koe nga utu hokohoko.
6) He kamupene hokohoko koe, he kaihanga ranei?
He kaihanga ngaio matou. Ehara i te mea kei a matou anake o maatau wheketere taputapu, engari he wheketere carbide cimented hoki.
7) Kei hea to wheketere?
Kei roto matou i te taone nui o Zhuzhou, te Porowini o Hunan., te taone nui o Haina
8) Kia pehea te roa ka tumanako ahau ki te tiki i te tauira?
I muri i to utu i te utu tauira me te tuku mai i nga konae kua whakamanahia, ka rite nga tauira mo te tuku i nga ra 3-7. Ka tukuna atu nga tauira ki a koe ma te korero ka tae mai i nga ra mahi 3-5. Ka taea e koe te whakamahi i to ake putea korero, utu tomua ranei ki a maatau mena kaore he putea.
9) Me pehea to taonga?
He maha nga hua kei roto i nga taonga, ko nga momo me nga rahi kei roto katoa.
10) Ka taea te tuku kore utu?
Kaore matou e tuku ratonga kaipuke kore utu. Ka taea e taatau te utu mena ka hoko koe i nga hua nui
Tena koa whakapiri mai ki ahau:
Aimee
Kaiwhakahaere hokohoko
Zhuzhou Chuangde Cemented Carbide Co. Ltd
215, building 1, International Students Pioneer Park,
TaishanRoad, Tianyuan District, Zhuzhou City.
Īmēra: cd@cdcarbide.com
Tel:+86-731-22506139
Mobile:+8613786352688
Whatspp/wechat/Skype : 0086 13786352688




















