Item	Unit	CW61100	CW61125	CW61140	CW61160
Max dia.swing over bed	mm	1000	1250	1400	1600
Max dia.swing over cross slide	mm	610	860	1000	1200
Max.length of work-piece	mm	1500	1500	1500	1500
Maximum machining length	mm	1200	1200	1200	1200
Width of bed	mm	755	755	755	755
Spindle bore	mm	140	140	140	140
Spindle bore taper	mm	Metric:150/1:20	Metric:150/1:20	Metric:150/1:20	Metric:150/1:20
Spindle nose		A2-15	A2-15	A2-15	A2-15
Power of spindle motor	mm	22	22	22	22
Range of spindle speed	mm	Three gears frequency conversion L: 10-50; M: 50-115; H: 115-300
Traverse of cross slide	mm	520	640	720	820
Z axis feed grade /range	mm/r	32/0.1-1.5	32/0.1-1.5	32/0.1-1.5	32/0.1-1.5
X axis feed grade /range	mm/r	32/0.05-0.75	32/0.05-0.75	32/0.05-0.75	32/0.05-0.75
Carriage raid traverse speed	mm/min	3740	3740	3740	3740
Cross slid raid traverse speed	mm/min	1870	1870	1870	1870
Metric thread grade/range	mm	23/1-15	23/1-15	23/1-15	23/1-15
Inch thread grade/range	T.P.I	22/28-2	22/28-2	22/28-2	22/28-2
Max. Traverse of turret	mm	300	300	300	300
Tool section size	mm	32×32/40×40	32×32/40×40	32×32/40×40	32×32/40×40
Tailstock quill travel	mm	300	300	300	300
Tailstock quill Dia.	mm	160	160	160	160
Tailstock quill taper	mm	Morse NO.6	Morse NO.6	Morse NO.6	Morse NO.6
Chuck		Φ400	Φ400	Φ400	Φ400
Overall dimensions(LWH)	mm	4600×2100×1650	4600×2250×1750	4600×2300×1900	4600×2450×2200
Machine weight	T	10.6	11.6	12.2	14

Introduction

The Conventional Lathe CW61140 755mm is high-performance machining equipment designed to meet the needs of metal cutting, component processing and precision turning.

Features

Excellent processing range
The maximum processing diameter of our products reaches 1400 mm and the maximum processing length is 3000 mm, which is suitable for processing large workpieces. Its bed is made of high-strength cast iron, and it has been precisely processed and aged to ensure that it can maintain high stability and precision under heavy load conditions, meeting the needs of heavy machinery manufacturing.

High-precision processing
The spindle of our lathe is supported by high-precision bearings, and the radial runout is controlled within 0.01 mm to ensure that the processing accuracy reaches the IT6 level standard. The bed guide rails are high-frequency quenched to a hardness of HRC 52-56, and the wear resistance is increased by about 40%. Even in long-term continuous processing, it can maintain stable performance and is suitable for high-precision parts processing.

Efficient power system
The Conventional Lathe CW61140 755mm tool is equipped with a 15-kilowatt main motor with a maximum torque of 1200 Nm, which can easily cope with high-intensity cutting tasks. The motor adopts variable frequency speed regulation technology, and the speed range is between 10-800 rpm. It can be flexibly adjusted according to different materials and processing requirements to improve processing efficiency and reduce energy consumption.

Multifunctional operation
Our lathes support a variety of processing modes, including turning, boring, drilling and tapping, etc., which are suitable for the processing needs of complex workpieces. Secondly, we are also equipped with a 12-inch three-jaw self-centering chuck and an independent four-jaw chuck with strong clamping force, which can stably fix workpieces of different shapes, reduce clamping time, and improve production efficiency.

Maintenance

Regular lubrication and maintenance
Our products use a centralized oil supply lubrication system to ensure that all moving parts are fully lubricated. It is recommended to perform comprehensive lubrication every 500 hours of operation or once a month, focusing on lubricating the bed guides, spindle bearings and gearboxes. Use ISO VG68 grade lubricating oil, and control the amount of oil injection each time to 0.2-0.3 liters to avoid over- or under-injection to extend the service life of key components.

Cleaning and dust prevention
Metal chips and dust will be generated during the operation of the lathe, which may affect accuracy and performance. It is recommended to clean the bed guides, worktable and spindle areas after work every day, and use compressed air or a soft brush to remove debris. Check the protective cover and sealing strips every week to ensure that they are intact to prevent dust from entering the internal precision parts.

Check and adjust the accuracy
The machining accuracy of the lathe depends on the coordination of various moving parts. It is recommended to check the spindle radial runout and bed guide parallelism every 1000 hours of operation or once a quarter. Use a micrometer to measure and ensure that the spindle radial runout does not exceed 0.01 mm and the guide rail parallelism error is controlled within 0.02 mm. If deviation is found, adjust or replace the worn parts in time.

Electrical system maintenance
The electrical system of the lathe is the core of operation. It is recommended to check the motor, cable and terminal every six months to ensure that there is no looseness or aging. Use a megohmmeter to measure the motor insulation resistance. The normal value should be greater than 1 megohm. If abnormalities are found, stop the machine for inspection immediately to avoid electrical failures affecting production safety.

Belt and transmission system inspection
The transmission system of the lathe directly affects the processing efficiency. It is recommended to check the belt tension and gearbox oil level every 1500 hours of operation. The belt tension should be moderate. Too tight will increase the motor load, and too loose may cause slipping. The gearbox oil level should be kept at the center line of the window. The oil should be clear and free of impurities. If turbidity or precipitation is found, replace the lubricating oil in time.

Regular replacement of wearing parts
The wearing parts of the lathe include chuck claws, tools and sealing rings. It is recommended to replace it every 2000 hours of operation or according to the actual wear. The wear of the chuck jaws will lead to a decrease in clamping force and affect the processing accuracy; the aging of the sealing ring may cause oil leakage and increase maintenance costs. Regular replacement of wearing parts can avoid sudden failures and ensure production continuity.

FAQ

FAQ

Q: What is the maximum swing diameter of the CW61140 755mm lathe?

A: The maximum swing diameter over the bed is 1400mm, which allows it to handle large workpieces effectively.

Q: What is the maximum processing length of this lathe?

A: The CW61140 has a maximum processing length of 755mm, making it suitable for medium-length components.

Q: What types of materials can this lathe process?

A: It is designed to machine a wide range of materials, including steel, cast iron, copper, aluminum, and other non-ferrous metals.

Q: What is the spindle speed range of the CW61140 lathe?

A: The spindle speed ranges from 50 to 1800 RPM, allowing for flexible adjustments based on specific machining requirements.

Q: How precise is the machining accuracy of this lathe?

A: The machining precision is typically within ±0.02mm, ensuring high accuracy for industrial applications.

Q: What type of operations can this lathe perform?

A: It supports a wide variety of machining tasks, such as turning outer and inner surfaces, facing, threading, and grooving.

Q: What features ensure the stability of this lathe during machining?

A: The CW61140 lathe is built with a high-strength cast iron bed and precision-ground guideways, minimizing vibration and enhancing stability.

Q: Is the lathe easy to operate and maintain?

A: Yes, its user-friendly design makes it straightforward to operate. The simple mechanical structure also facilitates easier maintenance.

Q: What industries commonly use the CW61140 lathe?

A: This lathe is widely used in industries such as automotive manufacturing, aerospace, machinery maintenance, and mold production.

Q: What advantages does this lathe offer compared to CNC lathes?

A: It offers lower purchasing and maintenance costs, easier operation, and greater flexibility for small-scale production and manual adjustments.

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