- 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.
ʻO ka weheweheʻana
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) I ka manawa hea e hiki ai iaʻu ke loaʻa ke kumukūʻai?
Hoʻopuka pinepine mākou i loko o 24 mau hola ma hope o ka loaʻa ʻana o kāu nīnau.
2) Pehea e hiki ai iaʻu ke loaʻa i kahi laʻana e nānā i kou maikaʻi?
Ma hope o ka hōʻoia ʻana o ke kumukūʻai, hiki iā ʻoe ke koi i nā laʻana e nānā i kā mākou maikaʻi. Inā makemake ʻoe i kahi laʻana hakahaka e nānā i ka hoʻolālā a me ka maikaʻi o ka pepa, e hāʻawi mākou iā ʻoe i kahi laʻana no ka manuahi, ʻoiai ʻoe e hāʻawi i ka ukana hōʻike.
3) Pehea ka lōʻihi e hiki ai iaʻu ke manaʻo e loaʻa ka hāpana?
Ma hope o kou uku ʻana i ka uku hāpana a hoʻouna iā mākou i nā faila i hoʻopaʻa ʻia, e mākaukau nā laʻana no ka lawe ʻana i nā lā 3-7. E hoʻouna ʻia nā laʻana iā ʻoe ma o ka express a hōʻea i nā lā hana 3-7. Hiki iā ʻoe ke hoʻohana i kāu moʻokāki ponoʻī a i ʻole e uku mua iā mākou inā ʻaʻohe āu moʻokāki.
4) Pehea ka lōʻihi o ke kaʻina hana holoʻokoʻa?
Ma hope o kāu kau ʻana i kahi kauoha, ʻo ka manawa hana hana ma kahi o 20-25 mau lā. Pono mākou i nā lā 7 e hoʻomākaukau i nā mea āpau a laila 15 mau lā no ka hana ʻana.
5) Pehea e pili ana i ka lawe ʻana a me ka lā lawe?
Hoʻohana maʻamau mākou i ka hoʻouna ʻana e transprot i ka goods.It ma kahi o 7-25 mau lā. It also denpends on which coutry and port you are.It hiki ke pōkole inā pono ʻoe e hoʻouna i nā waiwai e like me ʻAsia. Inā loaʻa kekahi mau pilikia hiki iā mākou ke hoʻouna aku i nā ukana ma o ka air express, ʻoiai ke loaʻa iā ʻoe ka uku kaʻa.
6) He hui kālepa ʻoe a mea hana paha?
He mea hana 'oihana mākou. ʻAʻole wale mākou i kā mākou hale hana mea hana, akā ua loaʻa pū kekahi hale hana carbide cemented.
7) Aia ma hea kāu hale hana?
Aia mākou ma ke kūlanakauhale ʻo Zhuzhou, ka moku ʻo Hunan., ke kūlanakauhale kumu tungsten carbide o Kina
8) Pehea ka lōʻihi e hiki ai iaʻu ke manaʻo e loaʻa ka hāpana?
Ma hope o kou uku ʻana i ka uku hāpana a hoʻouna iā mākou i nā faila i hoʻopaʻa ʻia, e mākaukau nā laʻana no ka lawe ʻana i nā lā 3-7. E hoʻouna ʻia nā laʻana iā ʻoe ma o ka express a hōʻea i nā lā hana 3-5. Hiki iā ʻoe ke hoʻohana i kāu moʻokāki ponoʻī a i ʻole e uku mua iā mākou inā ʻaʻohe āu moʻokāki.
9) Pehea kāu waiwai?
Loaʻa iā mākou nā huahana nui i loko o ka waihona, nā ʻano maʻamau a me nā nui āpau i ka waihona.
10) Hiki ke hoʻouna manuahi?
ʻAʻole mākou hāʻawi i ka lawelawe hoʻouna manuahi. Hiki iā mākou ke loaʻa ke kumukūʻai inā kūʻai ʻoe i nā huahana nui
E ʻoluʻolu e kelepona mai iaʻu:
Aimee
Luna kuai
ʻO Zhuzhou Chuangde Cemented Carbide Co. Ltd
215, building 1, International Students Pioneer Park,
Alanui Taishan, Apana Tianyuan, Kulanakauhale o Zhuzhou.
Leka uila: cd@cdcarbide.com
Tel:+86-731-22506139
Mobile:+8613786352688
Whatspp/wechat/Skype : 0086 13786352688




















