Manual Folding Machine Operation Manual

Overall View of Manual Folding Machine

Manual folding machine

Usage and Performance

This series of manual folding machine tools are widely used in various fields for bending and folding steel plate, nonferrous metal and stainless steel plate(length≤2.5m, thickness≤2mm), especially in the household appliance, stainless kitchen utensils, lighting, hardware furniture, ventilation, air-conditioning equipment etc.

Full-manual operation with the positioning device, particularly suitable for mass-producing irregular workpieces with a fixed angle.

The machine turns the folding plate through the upper and lower blades, and no relative movement and impact occur during the whole processing course to ensure the workpiece’s surface smooth and brightness, especially suitable for manufacturing stainless workpieces.

Locking through bevel gears and screw rotation or cam, smoothly and reliably, simple structure, easy maintenance and adjustment.

Main Specification and Technical Parameters

Portable-type ( bevel gear locking)
Model Max. Plate Thickness Max. Bending Width Max. Bending Angle Weight Max. Workpiece Dimension Toolings
WS1.5×1300 1.5 1300 60° 320 1950×650×1500 Segmented Blade
WS1.5×1500 1.5 1500 60° 360 2150×650×1500 Segmented Blade
WS1.5×2000 1.5 2000 60° 450 2650×650×1500 Segmented Blade
WS1.2×2500 1.2 2500 60° 550 3150×650×1500 Segmented Blade
TDF1.5×1300 1.5 1300 60° 320 1950×650×1500 Segmented Blade
TDF1.5×1500 1.5 1500 60° 360 2150×650×1500 Segmented Blade
TDF1.5×2000 1.5 2000 60° 450 2650×650×1500 Segmented Blade
TDF1.2×2500 1.2 2500 60° 550 3150×650×1500 Segmented Blade

Structure and Adjusting Instruction

Manual folding machine structureManual folding machine structure

This series of manual folding machine tools (as Fig.1) consisted of upper and lower beams, plate-folding parts and blade and the abovementioned three parts have been adjusted to a rotating center, the user can adjust related parameters according to the machine specification and plate thickness.

The adjustable parts of this series of the manual folding machine are as follows:

  • Loosen bolt A connecting left and right ram seat and upper beam, and adjust bolts B or C until S=1.3t(t=plate thickness), when the upper and lower blades are parallel to each other, adjust bolt A, too small of S will be harmful to the blades.

parts of Manual folding machine

  • Adjust the upper beam in a vertical direction (limit to bevel gear locking folding machine), if some error emerges in the vertical position between the upper bean blade tip and the bottom blade surface, loosen the gland bolt and rotate the nut until the upper beam upright and bottom knife parallel, then re-locking the gland bolt.
  • Adjust the folding plate in a vertical direction ( as shown in fig.4)

First, loosen bolt A connecting the folding plate and folding plate seat, then adjusts bilateral bolt B until the folding plate blade and beam blade are in the same line, and finally, re-locking bolt A.

Manual folding machine

Manual folding machine

  • Adjusting the straightness of pre-stress and folding plate

All bearing points on the upper beam, lower beam, and folding plate are distributed at both ends, it is inevitable that some deflection will arise in the process of bending the plate, which directly affects the workpiece straightness, in order to overcome the shortcoming, the machine is equipped with the crowning device, through adjusting nut A to add some pre-stress on the center of the beam and folding plate (Max. adjustable height 0.5mm)for compensating the deflection deformation to guarantee the workpiece quality.

Manual folding machine

Operation and Use Instructions

This series of manual folding machines are easy to operate.

First, adjust the upper beam and folding plate, put the plate between the beams, fasten the angle positioning plate on the left shaft and rotate the folding plate to the angle positioning position, then can begin to fold the required workpieces.

The upper beam can be classified into 35°、55°two kinds of blades,55°is segmented blade which can be assembled into varying-length blades to cater to different shape box.

A typical example is shown in figure 7.

Manual folding machine operation

Reasonable Use and Maintenance

Carefully check the blade clearance before putting it into use (as figure 2: S valve), it is prohibited to fold the over-size plates in case of damaging the blade.

Average utilization is recommended, Nobody is permitted to stand behind the balance hammer, so as to avoid accidents.

Pay regular attention to the bearing and lubrication position.

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