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The application of Oscillating knife cutting machine
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The application of Oscillating knife cutting machine

Views:5     Author:Site Editor     Publish Time: 2017-02-14      Origin:Site

The application of Oscillating knife cutting machine

The Oscillating knife cutting machine relates to a cutting machine with an oscillating  knife comprising a motor mounted in a housing for driving a lengthwise oscillating  knife with a cutting edge, further comprising a displaceable grinding device, means mounted at the housing for guiding said grinding device in the longitudinal direction of the knife, said grinding device having at least one grinding element which can be brought into contact with a side surface of the cutting edge of the knife, said grinding element being made to circulate by a drive means coupled to the motor, further comprising an advancing device drivable by the drive means for advancing the grinding device, and having as first advancing member a spindle extending in the direction of displacement of the grinding device, and at least one second advancing member interacting with the spindle along a helical path located at the circumference of the spindle, the two advancing members being displaceable relative to each other in the direction of displacement of the grinding device and one of the two advancing members being fixedly coupled with the grinding device .


In the direction of displacement of the latte Cutting machines with an oscillating knife,particularly cutting machines guided manually on a table, are used for cutting several superimposed layers of cloth, foil, leather and the like, and depending on the nature of the material to be cut, the cutting edge of the knife must be sharpened again after long or short periods of time. In principle, there are two types of cutting machines comprising an oscillating knife and a grinding device, and in both types the grinding element can be driven by the motor of the cutting machine.

 

In the simple embodiments the grinding device must, however, be lowered and raised again manually, while in relatively complicated cutting machines of the first aforementioned kind the motor can also drive a drive means for lowering and raising the grinding device. 


This drive means comprises a friction wheel which can be brought into contact with a crank disc located on the motor axis for driving the oscillating knife, and drives a worm gear which ensures that the rotational speed of the friction wheel is reduced to a relatively great extent. 


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