Sandvik Coromant "Professional Response to Processing Challenges" - Automotive
Gearbox manufacturing is often a veritable mass production. As with other high-volume production, faster lead times and lower production costs are the success factors. The tooling products from Sandvik Coromant can process most gearbox parts and assist manufacturers in developing various machining solutions.
First, the main considerations for tool selection in gearbox machining
Material and trough
The automotive industry has achieved highly streamlined operations, and thanks to optimized tools, most machines operate at maximum speed while ensuring good process safety. Slim parts or parts that are difficult to grip require extra care to achieve stable conditions, but when you want to increase productivity, consider how to choose materials and geometries.
Good medium difficulty
Sandvik Coromant's portfolio of steel materials covers all processes from roughing to finishing.
Whether it's a hard material that really resists flank wear or plastic deformation, a high-toughness material that can handle demanding processes such as interrupted cutting, or a common material that excels under most conditions, you're easy Find the optimum CVD coating material from our wide range of materials.
Optimized insert geometry
Our turning geometry is optimized to provide excellent chip breaking in finishing, semi-finishing or roughing operations. The naming of these slots is clearly logical and easily identifiable.
finishing
PF (P=steel F=finishing)
LC (low carbon steel)
Semi-finishing
PM (P=steel M=medium processing)
roughing
PR (P=steel R=roughing)
Coromant Capto ®
Common machining challenges include vibration due to the slenderness of the part and small tolerances and high surface quality requirements.
Coromant Capto ® is a unique tooling system that significantly reduces setup and tool change times. In multi-tasking machines, machining centers with turning capabilities and CNC lathes, they can be integrated directly into the spindle to ensure extremely high stability. Quick-change toolholders reduce tooling and tool change times, significantly increasing machine utilization.
High precision coolant
Although the future trend is shifting from wet machining to dry machining, the use of coolant is sometimes inevitable. While most materials and processes allow for dry machining and minimal lubrication (MQL), materials such as mild steel require high precision coolant to achieve satisfactory chip control. CoroTurn ® HP is designed with fixed nozzles that spray high-precision coolant to the correct position on the cutting edge of the insert.
This high precision allows for the application of lower coolant pressures and direct direct chip breaking, process safety and high productivity. To optimize the machine's capabilities, further extend tool life and improve chip formation, the coolant flow and flow rate can be fine-tuned by changing the nozzle diameter.
Coolant injection has three main effects:
â— Provide blade cooling in the contact area (A)
â— Force the chips to quickly disengage from the blade surface, thus reducing the wear on the blade (B)
â— Helps to split the chips into smaller pieces for easy discharge from the cutting zone.
Second, the gear
Soft turning and gear milling operations are required before surface hardening, and the challenge is to always achieve small dimensional tolerances. Careful preparation for the hardening stage provides a relatively straightforward hard part turning process.
Soft processing stage
The gears are usually forged and can be used with high cutting parameters during the turning process as long as the machining process is safe and reliable. For roughing and finishing operations, optimized troughs should be used to ensure efficient chip evacuation and smooth processing. The Wiper blade is a true productivity multiplier that allows for higher cutting feeds, which shortens the production cycle.
CoroTurn ® TR
For the success of the subsequent hard turning phase, it is important to get the right size and tolerance during the soft cutting phase. CoroTurn ® TR with iLockTM design guarantees stability and prevents blade movement. Combined with Coromant Capto, it ensures unparalleled stability from the turret to the cutting edge. Our recommendation is to use the GC4325 material with the latest insert technology InveioTM, which guarantees excellent surface quality, longer tool life and higher cutting parameters. The perfect combination of Coromant Capto, CoroTurn TR and material GC4325 ensures high precision machining in the outer circumference, end face and internal turning of the soft cutting stage.
Hardening stage
Predictable machining processes are critical when turning hard parts. CBN inserts for precision hard drive transmission parts meet these needs. Welded CBN inserts often run the risk of damaging parts due to the removal of the cutter head. To avoid this risk, we recommend the Safe-Lok multi-rounded insert that combines mechanical interlocking with welding technology. Additional strength and safety can be provided. In addition, such blades have four to eight cutting edges instead of just one.
Choose the right CBN material
CB7015 - Suitable for continuous to light interrupted cutting
CB7025 - Suitable for light to medium interrupted cutting
CB7525 - Suitable for heavy duty interrupted cutting
Xcel
Use the Xcel blade as the optimizer. It has a straight cutting edge that blends with a wiper that delivers significant benefits compared to standard radius inserts. Under the right conditions, Xcel inserts allow for extremely high feed rates and excellent part quality.
Straight Seam Steel Pipe
The straight seam pipe refers to the steel pipe whose weld line is vertically parallel to the steel pipe.Also known as straight seam welded pipe or straight seam steel pipe.The straight seam pipe is made by winding and welding the long strip steel belt of certain specification by high frequency welding unit.
According to the material and use of welded pipe classification
Packaging Details
Plastic caps on both ends, Steel bundle, Woven bag or acc. to customers' request.
Delivery Time
15 days after receiving deposit
If you have any questions, please contact with us directly and welcome you can visit our Factory.
Straight Seam Steel Pipe
Electric Resistance Welded Pipe,Welded Carbon Steel Pipe,Straight Seam Steel Pipe,Standard Straight Steel Pipe
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