Reduce the number of clamping and improve processing accuracy. The length of this kind of screw is much longer than its diameter, which makes the processing more awkward, because the screw is easily bent during the processing.
From the point of view of the walking machine market, 42mm is its largest machining diameter, which gives the walking machine a great advantage in the fine shaft processing market.
Blocking is the last process completed on the main spindle. But there are also many small auto parts (such as drive shafts and gears) that are processed in large quantities. Although the single unit price of turning-milling composite processing equipment is relatively high, the overall fixed cost can be effectively reduced due to the shortening of the manufacturing process chain and the reduction of the equipment required for the product, as well as the reduction in the number of fixtures, the space occupied by the workshop and the equipment maintenance cost Capital investment, production operation and management of assets. The closer the two spindles are to each other, the smaller the overhang of the part and the better the surface brightness. Using dual-axis tool arrangement, this design greatly saves the machining cycle time. After shortening the tool exchange time between the arranging tool and the opposed tool station, it completes the stacking of multiple tool stations and the effective axis movement stacking function of thread cutting. The direct spindle indexing function during secondary processing shortens the actual idle time.
The outer circle should be turned on the main spindle. The threaded whirling cutter ring of the inner ring of the blade device rotates around the cylindrical workpiece and processes the thread. The smooth tangential cutting movement can reduce the cutting force and improve the metal removal rate.
Automotive Manufacturing
In the aerospace manufacturing industry, the application of spiral milling (slope milling) processing technology can improve production rates. This step is usually inner diameter processing, but it can also be outer diameter processing. Due to the characteristics of the processed materials, a large number of blades are required for cutting in medical devices and aerospace manufacturing.
Use thread whirling technology to process medical bone screws. The challenge of processing bone screws often lies in their large aspect ratio.
Shorten the product manufacturing process chain and improve production efficiency. In this way, on the one hand, the production assistance time caused by the modification of the installation card is reduced, and the manufacturing cycle and waiting time of the tooling fixture are also reduced, which can significantly improve the production efficiency. The benefit is that the pressure of the coolant can be reduced to 145 psi. However, it is very important to carefully select the appropriate blade grade for steel turning, because it will pave the way for more efficient hard turning. Assuming that the workpiece still needs to be ground, the grinding allowance can be reduced, which will eventually lead to Reduction of processing costs per piece.
Medical device manufacturing
Due to the continuous improvement in the function of parts and components, electronic products are increasingly manufactured using difficult-to-process materials (such as low carbon steel and alloy steel), which has also become another obstacle to processing these parts. If possible, it is best to complete the cutting depth in one pass to shorten the cutting time and improve the processing stability.
A common feature of many medical devices is that their thread profiles are complex and changeable, and they require high dimensional accuracy. After optimizing the processing technology of small parts, it can save parts data, shorten the processing cycle, reduce tool costs, reduce machine idle time and improve the quality of parts processing.
In order to stop the final processing of the outer diameter of the workpiece before the blocking process, a high-yield reverse machining is usually used, and the completion of the machining in one pass helps reduce vibration. Due to the robustness and limited power of the rotating spindle, the smaller the cutting force, the better, and face milling can meet this request.
In this industry, the suitability of the clamping system may greatly affect processing efficiency, especially when processing high-strength materials. Micro turning tools are suitable for processing many electronic product parts (such as the fine structure of optical disc trays). These processing usually involve internal turning, grooving, blocking and thread processing.
Although different micro-machining needs adopt different cutting strategies and processing steps, there are still some technical tips and processing guidelines that are common in many situations:
Processing tips
Although choosing the right tool and technology seems to be a difficult problem, the use of existing precious resources can help manufacturers complete the processing of most small parts.
Choose tool and craft
In the processing of transmission shafts and gears, steel turning takes the leading position.
Electronic and telecommunications product manufacturing
In micro-machining, the size of the part may be small, and there are many choices for which tool and processing plan to use.
The QS tool clamping system with high-precision cooling installation not only shortens the tool setting and tool change time, but also improves chip breaking and processing performance. In addition, many bone screws now require a larger helix angle, and it is more difficult to stop processing with a single-edged thread cutter. The reduction in the number of card loading prevents the accumulation of errors caused by the conversion of positioning benchmarks. Through the use of a smaller depth of cut and a higher cutting speed, the cutting force and machine power required for spiral milling are greatly reduced compared to drilling. Reducing the cost of each piece is the main purpose of mass processing these parts.
