How to improve the CNC lathe machining accuracy?

1.1 In terms of parts, there are machine tool adjustments to improve the precision of CNC lathe machining. First, how to improve the accuracy of CNC lathe machining from the aspect of mechanical adjustment. In terms of machine tool adjustment, it mainly includes these parts, spindle, bed, and inserts, etc., so that the lathe can meet the requirements, improve the accuracy of CNC lathe processing, and must be regularly monitored during the work process, and must be constantly optimized. The lack of lathes in order to timely adjust the production of better products. This is the easiest and most convenient way to improve the precision of CNC lathe machining. This adjustment method does not require good technology, but it requires employees to check and adjust them from time to time.

The second is the improvement in the aspect of electromechanical coupling. The improvement of the machining accuracy of parts is mainly in the aspects of reverse deviation, positioning accuracy and repeated positioning accuracy. In the case of reverse deviation, we must first carry out the correction by mechanical manual method when the deviation is too large, and then use the professional method for further optimization when the error is within a certain range. In the adjustment of the positioning accuracy, the error is continuously optimized by the degree of the microscope. The electromechanical coordination method optimized in these aspects is the most efficient one of these adjustment methods. Although it is more complicated, it works better.

Third, this is done through electrical adjustments. The adjustments in this area mainly include two aspects. One is the adjustment of the machine parameters. In this perspective, there are two aspects which are the system gains that affect the machining accuracy. To locate the dead zone, in terms of system gain, we must pay attention to the mechanical damping of the lathe and the rotational inertia, which affects the accuracy of the lathe's machining. There is also the minimization of the dead zone of the positioning, which can also improve the accuracy of the lathe operation. These two aspects are mutually reinforcing and must be adjusted at the same time. Another aspect is that it can be adjusted through the application of some systems. As the degree of automation continues to increase, CNC lathes are used to automatically control remotely during operation. Therefore, we need to enter a series of monitoring procedures during remote control. This eliminates the need for manual intervention, so that supervision can be more effective. It is possible to supervise the set-up control through the program and then increase the accuracy of the lathe processing.

1.2 Adjustment in the feed mechanism to improve the machining accuracy of CNC lathes Firstly, the machining accuracy of CNC lathes caused by the lead error of the ball screw is affected. The factors that influence this are mainly pulses, so they are manufactured. In the procedure of the ball screw, it is necessary to reduce the influence of the error caused by the pulse on the precision of CNC lathe machining.

Secondly, the effect of gaps in the feeding mechanism on the machining accuracy of CNC lathes is mainly due to the problems caused by the problems in the components of the transmission machinery, thereby reducing the precision of the uncontrolled lathe processing. The main components are gears, couplings, ball screws and support shafts. The problems that arise between these components will affect the accuracy of CNC machining, so we must strengthen the connectivity between their structures. The precision between them will affect the accuracy of lathe processing, thereby reducing the gap between the various structures, and strengthening the tightness between the various structures will improve the CNC lathe machining accuracy.

1.3 The impact of errors in programming The difference between CNC lathes and ordinary lathes is that the accuracy of the parts is different, but the errors that occur in the programming process can be minimized, which requires us to come from several aspects Reduce errors, thereby improving the accuracy of CNC lathe machining.

The first is due to the influence of interpolation error on the accuracy of the lathe. Therefore, it is necessary to use certain methods to reduce programming problems, use absolute programming, and eliminate the errors by inserting reference point quality to program in the program.

Second, the impact of the error on the final accuracy is approximated. Since there are approximations in the process, errors occur. So to master the profile equation as much as possible to reduce the error when programming, this can eliminate the impact on the accuracy of CNC lathe machining.

Thirdly, because of rounding error, the machining accuracy of the CNC lathe is reduced during the programming process. Therefore, we must select the minimum value of the linear displacement determined by the pulse equivalent to be used for reference when machining. Therefore, when programming, you must work strictly according to the specifications above the drawings.

LINA Mass Production Two Roll Mill

LINA Mass Production Two Roll Open Mill is designed for plasticizing, mixing and performing. And cooling system, heating system or double functions system (cooling and heating integrated) are available to meet the mixing requirements of a variety of materials. Multifunctional options and comprehensive safety devices ensure easier operation and lower maintenance rate and improve flow production efficiency.

 

LINA mill roller is made of high quality carbon steel, which is treated by nitriding and the surface hard chromium polished. The medium of hole roller ensures the body cool quickly and evenly, which depend on uniformity and consistency of the thickness of the sheets.

LINA Mass Production Open Mixing Mill 

Main features:

1. Multifunctional options and comprehensive safety devices not only protect operators' security but also improve production efficiency.

2.Environment-friendly and user-friendly to reduce energy consumption and cost.

3.Intelligent PLC control system records and exports data accurately and easily, which ensures the stability of formula.  

4. Instead of traditional methods to ensure user's operation safety, LINA's patented safety devices protect the user from the root of danger.

 


Advantage of LINA Open Milling Machine

1. LINA mass production mixing mill roller is made of high quality carbon steel, which is treated by nitriding and the surface is polished hard chromium. And the medium hole of the roller ensures the cooling efficiency.

2. The brand of LINA reducer achieves excellent transmission and long service life with less energy consumption but large torsion, the gear is made of 42 chromium-molybdenum high-rigidity material, subjected to nitridation treatment.

3. LINA two mill roll of motor-driven and speed-decreasing roll pitch regulation is not only improving the work efficiency but also making the uniformity and consistency of the thickness of the materials. 

 

Technical Datum of LINA Mass Production Two Roll Open Mill

No.

Item

Specifications

1

Type

LN-300/12

LN-360/14

LN-400/16

LN-450/18

LN-550/22

LN-560/24

2

Roller Diameter

300mm

360mm

400mm

450mm

550mm

560mm

3

Roller face width

700mm

900mm

1000mm

1200mm

1500mm

1530mm

4

Linear Velocity of Front Roller

11r/min

12r/min

10r/min

10r/min

8r/min

8r/min

5

Velocity Ratio of Rollers

1:1.3

1:1.3

1:1.3

1:1.3

1:1.35

1:1.3

6

Maximum Roll pitch

10mm

10mm

10mm

12mm

16 mm

15mm

7

Machine Output(kg)

15-18 per time

15-25 per time

20-35 per time

30-50 per time

50-70 per time

50-70 per time

8

Motor Power

15KW

37KW

45KW

55KW

110KW

160KW

9

Total Weight

About 3000KG

About 6500KG

About 8000KG

About 10000KG

About 22000KG

About 22500KG

10

External Dimensions(mm)

3000* 1200*1100

4200* 1800*1800

4920* 1780*2100

5200* 1880*2100

 6650* 2740*2100

 6850* 2840*2100

 

Mass Production Two Roll Mill

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