- 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.
Tavsif
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.



TSS
1) Narxni qachon olsam bo'ladi?
Biz odatda sizning so'rovingizni olganimizdan keyin 24 soat ichida taklif qilamiz. Agar siz narxni olish uchun juda shoshilinch bo'lsangiz, iltimos, bizga qo'ng'iroq qiling yoki elektron pochta orqali xabar bering, shunda biz sizning so'rovingiz ustuvorligini hisobga olamiz.
2) Sizning sifatingizni tekshirish uchun qanday namuna olsam bo'ladi?
Narxni tasdiqlaganingizdan so'ng, sifatimizni tekshirish uchun namunalarni talab qilishingiz mumkin. Agar sizga dizayn va qog'oz sifatini tekshirish uchun shunchaki bo'sh namuna kerak bo'lsa, biz sizga ekspress yukni sotib olishingiz sharti bilan bepul namunani taqdim etamiz.
3) Namuna olishni qancha vaqt kutishim mumkin?
Namuna to'lovini to'laganingizdan va bizga tasdiqlangan fayllarni yuborganingizdan so'ng, namunalar 3-7 kun ichida yetkazib berishga tayyor bo'ladi. Namunalar sizga ekspress orqali yuboriladi va 3-7 ish kunida keladi. Siz o'zingizning ekspress hisobingizdan foydalanishingiz yoki hisobingiz bo'lmasa, bizga oldindan to'lashingiz mumkin.
4) Barcha protsedura qancha vaqt davomida ishlab chiqiladi?
Buyurtma berganingizdan so'ng, ishlab chiqarishni qayta ishlash muddati taxminan 20-25 kun. Hamma narsani tayyorlash uchun bizga 7 kun, keyin ishlab chiqarish uchun 15 kun kerak bo'ladi.
5) Tashish va etkazib berish sanasi haqida nima deyish mumkin?
Odatda biz yuklarni tashish uchun jo'natishdan foydalanamiz. Bu taxminan 7-25 kunni tashkil qiladi. Bu sizning qaysi koutri va portingizga ham bog'liq. Agar siz Osiyo kabi tovarlarni jo'natishingiz kerak bo'lsa, u qisqaroq bo'lishi mumkin. Agar ba'zi favqulodda vaziyatlar mavjud bo'lsa, transport xarajatlarini to'lasangiz, biz yuklarni havo ekspressi orqali jo'natishimiz mumkin.
6) Siz savdo kompaniyasi yoki ishlab chiqaruvchisiz?
Biz professional ishlab chiqaruvchilarmiz. Biz nafaqat asboblar fabrikamizga egamiz, balki sementlangan karbid zavodiga ham egamiz.
7) Sizning zavodingiz qayerda joylashgan?
Biz Xitoyning Xunan provinsiyasining Chjuchjou shahrida, volfram karbid bazasida joylashganmiz.
8) Namuna olishni qancha vaqt kutishim mumkin?
Namuna to'lovini to'laganingizdan va bizga tasdiqlangan fayllarni yuborganingizdan so'ng, namunalar 3-7 kun ichida yetkazib berishga tayyor bo'ladi. Namunalar sizga ekspress orqali yuboriladi va 3-5 ish kunida keladi. Siz o'zingizning ekspress hisobingizdan foydalanishingiz yoki hisobingiz bo'lmasa, bizga oldindan to'lashingiz mumkin.
9) Sizning aktsiyalaringiz haqida nima deyish mumkin?
Bizda ko'p miqdordagi mahsulotlar mavjud, oddiy turlar va o'lchamlar hammasi stokda.
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Biz bepul yetkazib berish xizmatini taklif qilmaymiz. Agar siz ko'p miqdorda mahsulot sotib olsangiz, chegirmaga ega bo'lishimiz mumkin
Men bilan bog'laning:
Aimee
Sotish bo'yicha menejer
Zhuzhou Chuangde Cemented Carbide Co. Ltd
215, building 1, International Students Pioneer Park,
TaishanRoad, Tyanyuan tuman, Chjuchjou shahari.
Elektron pochta: cd@cdcarbide.com
Tel:+86-731-22506139
Mobile:+8613786352688
Whatspp/wechat/Skype: 0086 13786352688




















