Spindle Precision Turned Parts CNC Lathe Machining Parts Principal Axis
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The shaft is supported by bearings, and the shaft segment that cooperates with the bearing is called the shaft. The shaft rod is the assembly benchmark of the shaft, and their accuracy and surface quality are generally required to be high. The technical requirements are generally formulated according to the main function and working conditions of the shaft, and usually include the following items:
(a) Surface roughness
Generally, the surface roughness of the shaft diameter matched with the transmission part is Ra2.5~0.63μm, and the surface roughness of the support shaft diameter matched with the bearing is Ra0.63~0.16μm.
(b) Mutual position accuracy
The position accuracy requirements of shaft parts are mainly determined by the position and function of the shaft in the machine. Usually, it is necessary to ensure the coaxiality requirements of the journal of the assembly transmission part to the support journal, otherwise the transmission accuracy of the transmission part (gear, etc.) will be affected, and noise will be generated. For ordinary precision shafts, the radial runout of the matching shaft section to the bearing journal is generally 0.01~0.03mm, and the high-precision shaft (such as the main shaft) is usually 0.001~0.005mm.
(c) Geometric accuracy
The geometric accuracy of shaft parts mainly refers to the roundness and cylindricity of the journal, outer cone surface, Morse taper hole, etc., and its tolerance should generally be limited within the dimensional tolerance range. For the inner and outer circular surfaces with high precision requirements, the allowable deviation should be marked on the drawing.
(d) Dimensional accuracy
In order to determine the position of the shaft, the journal that acts as a support usually requires high dimensional accuracy (IT5~IT7). The dimensional accuracy of the journal for assembling transmission parts is generally low (IT6~IT9).
Product Information:
| Manufacturer | Toxmann High- Tech Co., Limited |
| Product Name | Precision Turned Parts- Spindle |
| Industry Standards | DIN, JIS, AISI, GB |
| Design Tools | UG, ProE, Auto CAD, Solidworks, etc |
| Surface Finishing | Customized |
| Quality Inspection Instrument | Micrometer Calipers, Concentricity Measuring Instrument |
| Processing Machines | NC Lathe Machine |
| Other Service | ODM and OEM, Customized Specification, One to One Communication |
| Order Process | Customer inquiries (provide 2D or 3D drawing) →Toxmann provides quotes and lead time→Orders released by customer→ 50% advanced payment→ Arrange production→QC pass→ Packing and shipping after receiving balance payment. |
Toxmann has a group of high-precision NC Lathes and turning-milling compound machines imported from Japan and Taiwan. Our NC Lathes have been highly appreciated by our customers for their stable quality and efficient productivity.
Application Field:
1. Automation industry
2. Communications industry
3. Military industry
4. Consumption industry
Why Choose Us?
1. Best product quality and most competitive price.
2. Experienced technicians are in production.
3. High-end processing machines and inspection instruments.
4. Customized designs and production.
5. Excellent pre-sale and after-sale service.
FAQ:
Q1: What is hard part turning?
A: Hard part turning is the turning of steel with a hardness over 45 HRc (typically in range 55-68 Hrc). It is more cost effective than grinding. Compared to grinding, it can cut machining time and costs by up to 75 %, and also offers improved flexibility, better lead times.
Q2: What is the necessary condition for turning?
A: 1) material of work piece should be harder than the cutting tool. 2) cutting tool should be harder than the material of work piece. 3) hardness of the cutting tool and material of of piece should be same.
Q3: What is straight turning?
A: The workpiece is held on the chuck and it is made to rotate about the axis, and the tool is fed parallel to the lathe axis. The straight turning produces a cylindrical surface by removing excess metal from the workpiece.
Q4: What is feed in turning?
A: Feed rate is defined as the distance the tool travels during one revolution of the part. Cutting speed and feed determines the surface finish, power requirements, and material removal rate. The primary factor in choosing feed and speed is the material to be cut.
Q5: What is difference between grinding and turning?
A: Grinding is a more universally known process. Most workpieces can be ground, independent of their shape. Hard turning, on the other hand, has geometric limitations, as is the case with long and thin components. Wide surfaces can be finished effectively, often with a single plunge grind operation.
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