- 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.
Beýany
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.



Sorag-jogap
1) Bahany haçan alyp bilerin?
Adatça gözlegiňizi alanymyzdan soň 24 sagadyň dowamynda sitata berýäris. Bahany almak gaty gyssanýan bolsaňyz, soragyňyzy ileri tutarys diýip bize jaň ediň ýa-da e-poçtaňyzda aýdyň.
2) Hiliňizi barlamak üçin nädip nusga alyp bilerin?
Bahalary tassyklandan soň, hilimizi barlamak üçin nusgalary talap edip bilersiňiz. Dizaýny we kagyzyň hilini barlamak üçin diňe boş nusga gerek bolsa, ekspress ýükleri töleýänçäňiz size mugt nusga bereris.
3) Nusgany näçe wagtlap garaşyp bilerin?
Nusga tölegini töläniňizden we tassyklanan faýllary ibereniňizden soň, nusgalar 3-7 günüň içinde gowşurylar. Nusgalar gyssagly görnüşde size iberiler we 3-7 iş gününe geler. Öz hasabyňyzy ulanyp bilersiňiz ýa-da hasabyňyz ýok bolsa, öňünden töläp bilersiňiz.
4) Tutuş prosedura näçe wagtlap işlenýär?
Sargyt bereniňizden soň, önümçiligiň işleýiş wagty takmynan 20-25 gün. Thehli zatlary taýýarlamak üçin 7 gün, önümçilik üçin 15 gün gerek.
5) Daşamak we eltip bermek senesi barada näme aýdyp bilersiňiz?
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6) Söwda kompaniýasy ýa-da manufaturer?
Biz hünärmen öndüriji. Diňe gurallar zawodymyzyň eýesi bolman, eýsem sementli karbid zawody hem bar.
7) Zawodyňyz nirede?
Biz Hytaýyň wolfram karbid bazasy bolan Hunan welaýatynyň huzhou şäherinde ýerleşýäris
8) Nusgany näçe wagt garaşyp bilerin?
Nusga tölegini töläniňizden we tassyklanan faýllary ibereniňizden soň, nusgalar 3-7 günüň içinde gowşurylar. Nusgalar gyssagly görnüşde size iberiler we 3-5 iş gününe geler. Öz hasabyňyzy ulanyp bilersiňiz ýa-da hasabyňyz ýok bolsa, öňünden töläp bilersiňiz.
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Meniň bilen habarlaşyp bilersiňiz:
Aýime
Satyş dolandyryjysy
“Zhuzhou Chuangde” sementli karbid Ltd.
215, building 1, International Students Pioneer Park,
TauzanRoad, Tzanyuan etraby, Zhuzhou şäheri.
E-poçta: cd@cdcarbide.com
Tel:+86-731-22506139
Mobile:+8613786352688
Whatspp / wechat / Skype: 0086 13786352688




















