AKYAPAK-AHS-UserManual-2019.03.11
BENDING
This machine shall be used and maintained properly and cleaned regularly in order to
achieve high efficiency.
Material shall be prepared before bending; and for this:
• Excess parts of the material are cut with oxygen.
• Rust and snow on the material are removed. Rolls may be damaged even if they are
strengthened.
• Both sides of the plate are cleaned.
• Check the plate one more time before starting to bend the material. Clean again if
there is any problem.
Physical conditions of the plate affect the quality of the material to be bent.
MATERIAL QUALITY
Various materials may not provide the same results; most important factors that affect the
bending quality because of the differences in quality are as follows:
• Plate quality
• Flow limit
• Elasticity limit
• Material direction
• Differences in the thickness of the material.
These factors are very important. If any of these are neglected, you cannot bend the
material in the dimensions you desire, for example when you want to bend a material with
high elasticity with the same machine, the resulting diameter shall be different. Similarly,
there would be differences between first bending and seconding operations.
Moreover, these differences are valid for the same material groups. Therefore, you shall use
high quality materials.
PLACING THE MATERIAL
You can start the bending operation after taking all the safety precautions described.
The first step of bending operation is placing the material. In order to bend with high quality,
material shall be placed (compressed) between rolls properly. The starting steps for this
procedure are as follows:
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