Recently, a customer from Argentina asked us for industrial machine solutions, he wanted to buy a suitable lathe for processing rollers (rollers are cylindrical mechanical parts, mostly made of metal and other materials. It can be rotated to achieve the functions of conveying, supporting and processing, etc. It has a smooth surface and is fitted with bearings at both ends to rotate flexibly, and can be operated either actively or passively, and is widely used in various industrial fields ). They are engaged in the processing of gypsum mesh, need to use the roller shaft to support and transport gypsum mesh, before are outsourcing the roller shaft to their metal processing plant, and now want to carry out the processing of roller shaft by themselves, to reduce the cost. The length of the solid rollers to be processed ranges from 1200-2700mm, with a maximum diameter of 300mm and a maximum weight of about 1200kg. According to his need for long shaft workpiece processing, under the advice of our engineers, we matched a CW6163x3000 heavy duty lathe with a maximum load capacity of 2T, which can perfectly solve the customer’s long-time processing needs.
CW6163 heavy-duty general horizontal lathe is suitable for turning internal and external cylindrical surfaces, conical surfaces and other rotating surfaces, turning all kinds of metric, imperial, modulus and radial section threads, and it can also carry out drilling and oil groove pulling and other work, and it is a very versatile horizontal lathe, which is widely used in the batch machining of all kinds of shafts and disc parts.
The following are the basic parameters of CW6163x3000 lathe:
| Item | Unit | Specification |
| Max swing over bed | mm | φ650 |
| Max workpiece length | mm | 3000 |
| Max turning length | mm | 2850 |
| Bed guide rails width/quenching hardness | mm | 550 RC52 |
| Spindle through-hole diameter | mm | 105 |
| Main motor power | kW | 11 |
| Maximum load-bearing capacity | t | 2 |
CW6163x3000 lathe machining roller shaft process is as follows:
1.Preparation before machining
Lathe inspection: confirm transmission, lubrication, cooling system is normal, adjust the spindle speed, check the accuracy of the tool holder.
Tool fixture: cylindrical turning selection of carbide cutter, cut off with cut-off knife; clamping with three-jaw chuck, long roller shaft with the top.
Blank preparation: choose 45# steel and other suitable materials, according to the size of the material, leaving enough machining allowance.
2.Processing
Rough turning: chuck and top clamping to find the right, low speed, large feed and back eating amount of tool to the allowance, leaving half-finish turning allowance. Semi-finish turning: increase the cutting speed, reduce the feed and back draft, control the dimensional accuracy and cylindricity.
Fine turning: reduce the cutting parameters, measure and adjust the tool several times to ensure the dimensional accuracy and surface quality, and use the light knife process when needed.
Other processes: according to the design requirements, corresponding processing of slots, holes, threads and other structures.
3.Quality Inspection
Dimension Measurement: Use vernier calipers, micrometers to measure the outer diameter, length, etc., and take the average value of key dimensions for several measurements.
Shape and position tolerance: use the percentage table, partial pendulum instrument to detect cylindricity, coaxiality.
Surface Inspection: Observe whether there are defects, roughness meter to detect surface roughness.
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