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High Precision CNC Lathe for Crankshaft and Connecting Rod Necks

  • HQ

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Product Introduction


This series of Crankshaft Connecting Rod Neck CNC Lathe, a type of Horizontal Lathe, is meticulously engineered for the exclusive task of turning crankpins. It stands out as a High precision Lathe and High efficiency Lathe, perfectly suitable for the precision machining of crankpins in diverse applications. Whether it's for motorcycles, automobiles, diesel engine sets, heavy trucks, or large marine crankshafts, this lathe excels. By replacing traditional rough processes with high - speed and ultra - precise turning, it significantly enhances productivity. It also functions as a Multi - functional Lathe, adaptable to various production requirements, making it an ideal choice for OEM/ODM Lathe projects in the Metal Turning Lathe industry.


Product Advantages

1. Crankshaft Machining & Remanufacturing

Used for turning, grinding, and polishing crankshaft connecting rod journals to restore worn-out or damaged engine components.


2. Automotive & Diesel Engine Production

Essential in manufacturing high-performance engines for cars, trucks, and heavy-duty vehicles.


3. Marine & Aerospace Crankshafts

Machines crankshafts for ship engines and aircraft power systems, where durability and precision are critical.


4. Industrial Machinery & Power Generation

Used in producing crankshafts for generators, compressors, and pumps.


5. Custom & High-Precision Engineering

Ideal for racing engines, high-speed motors, and custom crankshafts requiring ultra-fine finishing.


Technical Parameters


SPECIFIGATION UNIT CKY4346 CKY4356 CKY4363 CKY4380 CKY43125
Capacty Swing over bed mim 460 560 630 800 1250
Maximum cutting diameter mm 300 420 600 700 100C
Swing over cross slide mm 360 360 500 630 800
Maximum cutting diameter
1/2 4/6 4/6 4/6 6/8
Distance between centers mm 750/10C0 1000/1500 100C1500 1500/200C 4000/5000
Sant bed layout angle
45 45 45 45 60
Spindle Spindle nose type
A2-6 A2-8 A2-8 A2-11 A2-15
Spindle bore taper
80 100 100 120 140
Spindle borc mm 72 80 90 90 120
Spindle spocC slcps
Synchro bar + Stepless Dual spindle synchronization + stepless speed change
Spindle speec range rpm 50-800 50-650 50-60C 50-600 50-350
Eccentric fixture
Hydraulic Hydraulic / Manual
Main spincle motor kW 11 18.5 22 30 30
Sub-spindle Sub-spindle movement method
Drag board hanging Drag board hanging Drag board hanging Drag board hanging Drag board hanging
Sub-spindle sleeve diameter mm 160 190 190 190 190
Turret Turret tool post
Hydraulic turet 12 position Hydraulic turet 12positio7
Tool shank sizo mm 420 600 650 760 120C
Cutter disc thickness mm 14-18 16-22 18-32 8-32 35-45
Feed Xaxis trave mm 200 235 335 400 560
Zaxis travel mm 750/10C0 1000/1500 100C/1500 1500/200C 4000/5000
Motor torque (XZ) NIT 812 1222 22/22 22/30 30/36
Xaxis rapid traverse mm/min 20000 Linear guideway 10000 Hard guideway 10000/Hard guideway 10000 Linear guideway
Zaxis rapid traverse mm/min 20000 Linear guideway 10000 Hard guideway 10000 Hard guideway 10000 Lirear guideway
X\Zaxis mm 0.001 0.001 0.001 0.001 0.001
Chip conveyor Coolant pump motor kW 0.37 37 37 0.37 0.37
Precision Fine turning external circle processing accuracy
IT6 IT6 IT6 IT6 IT6
Fine turning external circle surface roughness μmT 1.6 1.6 1.6 1.6 1.6
Dimension Width x Height mm 1800x1800 2050×23C0 2050x2300 2570x2400 2570×2400
Length (chip conveycr included) mm




Weight Net weight T 4.0/6.5 7.0/8.0 8.0/12.0 12.5/16.5 18.0/35.0
Machine Details
machine tool details
Customizable Configuration

Customizable Configurations

Company & Factory

详情模板2-3_01 - 副本

详情模板2-3_02

详情模板2-3_06

详情模板2-3_05


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 +86-13361097708
 info@hqmachinetool.com
 +8613361097708
 Yishui County, Linyi City, Shandong Province, China
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