MANUAL BOOK

Directory

1. Machine outside view•••••••••••••••••••••••••••••••••2

2. Main technical parameters of the machine•••••••••••••••3

3. The main purpose of a machine, performance and feature••4

4. Guider of the pressure using •••••••••••••••••••••••••••5

5. The main structure of the machine•••••••••••••••••••6-10

6. Machine electrical system••••••••••••••••••••••••••11-12

7. Machine hydraulic system••••••••••••••••••••••••••13-16

8. Machines for lifting and installation••••••••••••••••••17-18

9. Machinery lubrication••••••••••••••••••••••••••••••••19

10. Adjustment and operation of the machine•••••••••••20-21

11. Security technology, machines and maintenance•••••22-23

12. Accessories list•••••••••••••••••••••••••••••••••••••24

13. Wearing parts list•••••••••••••••••••••••••••••••••••24

Note: Because of their continuous improvement upgrades, such as

manual data product actual data appears. Product kind prevail, are

subject to change without notice.

1. Machine outside view

Fig 1

2. Main technical parameters of the machine

Parameter Numerical Unit

Nominal Pressure 630 KN

Length of working table 2500 Mm

Distance between uprights 2000 Mm

The depth of throat 250 Mm

Slide Stroke 120 MmSlide stroke adjustment amount 100 MmMaximum opening height 380 Mm

Slide stroke

speed

empty 60 Mm/s

working 10 Mm/sReturn 50 Mm/s

Motor

power

Specification Y160M-4Power 5.5 KwSpeed 1440 r/min

Oil pump

Specification NT3-G10Fdisplacement 10 L

pressure 32 Mpa

Shape Length 2800 mm

dimensionWidth 1550 mmHeight 2200 mm

3. The main characteristics of the machine

and feature

Random provides instructions are guiding users to the proper use and

maintenance of the machine's main technical data, please keep all the time. The

operator must be read carefully, master the use method of operation can be carried

out.

This machine is widely applied in automobile, machinery, shipbuilding,

electrical appliances, light industry and decoration industry sheet metal bending

forming processing.

Fig 2 special shape workpiece bending sample(need order special mold)

4. Guider of the pressure using

During to bend different thickness of plate, need use the right V for support. Which V model is 8-10 times of plate thickness . At the same time please according to the form(form 1) or the formula to obtain the pressure , and then adjust the machine hydraulic system pressure (remark : All plate we mentioned is under Q235 STANDARD common mild steel , if that different raw material plate, please consider the hardness or check with us , such as for stainless steel we normally consider that will double pressure than Q235)

FORM 1

Calculation formula :

P= 650×S2×L KNV

S= bending sheet metal thickness( mm) L= folded plate material width (m)V= mold opening size( mm)

Note: The calculation formula and the columns in the table the values as δ b=450MPa tensile strength of the material basis for the calculation, the bending other different strength of the material, the bending force can be proportionally reduced.

5. The main structure of the machine

5-1 The framework of the machine

The machine frame is made by the left and right columns , oil tank, work table and other parts welded into the overall framework.(FIG 3)

FIG 3 the machine structure diagram

5-2 The slider parts

The slide part by the slide block, cylinder and mechanical tuning structure and so on. About the cylinder is fixed on the frame, through the hydraulic piston (rod) drives the slider up and down movement.

The two cylinders have a turbine and worm structure, connected through the synchronous shaft, and then through the Y-axis motor to synchronize the shaft to

adjust the cylinder stroke (Figure 4)

When there is angle inconsistent was found from of the bending of the workpiece on two side, Now the right and left stoke of the cylinder is not on the right position. Pls follow our advice :

1, Run the slider both back to the top 2, remove the screw of thr connection shaft 3, turn the left or right cylinder top of the worm box in any side of the worm (forward or reverse) to adjust cylinder stroke. Same time test the bending angle for both side and repeat the above operation until both sides of the same angle. 4, Tighten the positioning screw.

FIG 4 cylinder , block , and synchronous shaft diagram

5 - 3 Synchronous mechanism

By the torsion shaft, comprising a mechanical arm forced synchronization mechanism, has the advantages of simple structure, stable and reliable performance, high synchronizing precision.

FIG 5 Torsion shaft diagram

5 – 4 Structure of the backgauge

The backgauge is controlled by E21 system, driven by motor and synchronization belt. Under encoder the moving date is display on the control system without delay.

FIG 6 The backgauge of diagram

5 – 5 Mold

Upper die mounted on the slide block, a connecting plate pressure plate,

upper die with fine adjustment mechanism, move around the oblique wedge, for the

upper die upper and lower compensation tuning, in order to ensure the accuracy of

the workpiece bending.

Lower die mounted on the work table, rotary handle can push the lower

mold is moved back and forth, to align the upper die edge center.

FIG 7 The mold diagram

6. Machine electrical system

6 – 1 the machine power supply1, the machine uses 380V, 50Hz three-phase power supply, through the

transformer TC to provide AC220V, AC29V, AC24V three kinds of voltage, respectively, for the secondary circuit power.

2, AC220V voltage QF4 sent to the switching power supply (VC2) input, switching power supply output DC24V for the use of numerical control system.

3, AC29V voltage QF5 sent to the rectifier bridge pile VC1 input, the output of about DC27V voltage for the use of the valve group.

4, AC24V voltage through QF6 for secondary control circuit.

6 – 2 Introduction of short circuitThe circuit breaker (QF) protects each electrical component from overload

or short circuit, causing the component to burn out.

QF1: total circuit breaker, focusing on the protection of the main motor

QF2: protect the rear gear motor and fine-tune the motor

QF3: Protect the transformer

QF4: protects the switching power supply

QF5: Protection of rectifier bridge heap

QF6: protects the secondary control circuit

6 – 3 how to start the machine correctly1. Select the appropriate power cord according to the power of the main

motor of the machine.2, according to the provisions of the first three-phase power supply and

protective grounding.3, close the electrical box door and the rear protection door, connect the

foot switch, open the foot switch and the operation panel on the emergency stop button

4. Open the power switch SA1 on the operation panel and the indicator HL1 will light. Press the pump motor start button SB8, while the indicator light HL2 light, then the motor started.

5. Check that the direction of rotation of the motor is the same as that of the indicator arrow. If not consistent, please quickly turn off the total power, and then with the power cord wiring, so that the correct rotation of the motor (clockwise rotation)

6 – 4 the movement of the machine introduced in sequence

1, jog: select the switch SA2 to "jog" position,

Step on the foot switch (SF1), KA1, KA3 get electricity. KA3 control solenoid valve YV2, YV3, YV4 power, slider rapid decline.

When the block touches the slow stroke switch (SQ7), the KA6 is energized and causes the KA3 to be de-energized, and the KA4 is energized. KA4 control solenoid valve YV2, YV4 get electricity, the slider into the work into the slow down.

Release SF1, KA1.KA4 all power, all solenoid valve is not electricity, the slider stops.

Step on the foot switch (SF2), KA2 power, KA2 control solenoid valve YV1 get the power, the slider began to return; release the SF2 slider stops.

2, single: the selector switch SA2 to "single" position,

(SF1) does not release, the slider action is as follows: soon --- hit the slow trip switch (SQ7) ---- workers slow down the end of the pressure - - Pressure relief - stop.

Release the footswitch (SF1), the slider rises back to the upper limit stroke switch (SQ6), the slider stops, and completes the single action.

7. Machine hydraulic system

This series of machines using hydraulic transmission, the hydraulic system works as follows:

When the main motor in accordance with the direction of the arrow marked rotation (clockwise rotation), the main motor will drive the oil pump, through the suction pipe into the valve plate and electromagnetic valve back into the tank.The 4, 7valve closed cylinder lower chamber oil to stop the slider in any position, this time the solenoid valve does not work, the oil pump output oil into the tank.

When YV2, YV3, YV4 solenoid coil power, the slider to achieve a rapid decline in the lower oil tank through the 3, 4, 5, 7 valve back into the tank, the oil tank filled with oil.

When the slider down to run the slow stroke switch YV3 valve closed, the slider into the working state, slow travel distance depends on the length of the slow stroke switch and stop the position of the touch to control.

By the foot switch, control YV2, YV3, YV4 solenoid work, to achieve the slider when the distance from the point of movement.

When you step on the foot switch, YV1 solenoid coil power, slider return, return speed is constant.

No. 6 relief valve is to control the main pressure of the machine, not to damage the machine due to overload. Hydraulic system diagram of the main system pressure can be seen from the pressure gauge, the series of the maximum working pressure of the machine see the parameters of the table, the use of not allowed.

Executive element Idling

The slider

Valve Slider quickly down

Slider slow down slider return

YV1 -- -- -- +YV2 -- + + --YV3 -- + -- --YV4 -- + + --

FIG 8 The valve diagram

FIG 9 The hydraulic diagram

Hydraulic component list

Serial number

Name Model Spec unit

1 Pressure gauge YN60 12 Relief valve WHMP-011/350 13 Electromagnetic reversing

valveWDHE-0715-N24DC-10 1

4 Threaded direct operated relief valve

DHF10-220 1

5 Throttle valve LF10-00 16 Threaded direct operated

relief valveYF08-09 1

7 Threaded solenoid valve DHF10-220 18 Throttle 2.5MM 19 Hydraulic check valve AY-H32N 1

8. Machines for lifting and installation

8-1 Hoisting of the machine

This machine is a high center of gravity, and before and after different

degree, therefore in the hoisting, transportation and installation process must pay

attention to the location of the center of gravity, to prevent overturning accidents

caused by machine.

Recommend the use of cross arm hoisting, to ensure that the machine precision

is the same.

FIG 10 The machine lifting diagram

8-2 The installation of the machine

In machine work table for measuring horizontal datum, vertical and horizon

direction shall be 0.2/1000.

The machine is installed on the base, then loaded footing screw, the last

two grouting. After the cement solidification proofreading levels after all.

Model L1 L263T250063T320063T4000

FIG 11 The foundation drawing

9. Machinery lubrication

Based on the using condition reference to the lubrication signage

instructions the various points to injected into the the the corresponding lubricating

oil grease .

Lubrication points

Number

Lubrication points name Oil amount

Size

Refueling Time

Lubricating oil types and

grades

1．2Slide (left, right) medium 48 hours ZG-3

3．4left and a right guide rail medium 24 hours ZG-3

5．6Synchronous arm bearing (left,

right)

medium 500 hours ZG-3

7．8Synchronous torsion shaft bearing

(left, right)

medium 500 hours ZG-3

Note: ZG must be mixed with 50% machine oil N4

10.The adjustment of the machine and use

① The adjustment of the machine The slider adjustment of the lower limit: due to the fold board thickness and

physical Angle different, the slider trip down dead spots must according to specific

requirements adjustment. When the slider stops in the dead spots, the rotation of

the upper hand before the right to change position of block, which control the

itinerary distance (see chart 4). Motor regulation of adjustment method: the slider

stops in the dead spots, point move on fine-tuning motor button.

Slider adjustment to the maximum in order to reduce the slider air travel

distance, improve machine utilization, according to the specific conditions, the slider

without the need for each trip arrived at the dead point position adjustable stroke

cylinder, block control switch, the slide stop to a proper position.

Slider slow stroke adjustment: adjusting trip into block control switch,

the upper mold close to a workpiece that switching to a slow journey.

Bending stress adjustment: according to bending a workpiece plate thickness,

length, material, look-up table or calculate the required bending tonnage pressure,

regulation of remote pressure regulating valve (machine right pressure gauge upper

handwheel) control pressure (open pressure switch, the observed pressure value is in

line with pressure gauge , and closed switch, to anti burst pressure gauge).

The compensation of bending workpiece accuracy : sometimes bending the

workpiece in the total length of the angle a slight deviation in order to get the better

the consistency of the bending angle , slightly loosen the mold screws (Note that the

upper die off damage mold) , shift left and right oblique wedge , the upper and lower

fine-tuning of the upper die , and then tighten the screws , try to re- fold until it

reaches so far satisfied the requirements .

slider molds level coating surface and table parallelism adjustments:

disconnected mechanical block synchronous shaft on both sides of the sleeve, turn

the balance wheel, adjustment to the ends of the bottom face of the slider and

worktable high (dead next time),and then install the shaft sleeve . (Note: the

machine is adjusted before delivery, the user shall not adjust. ）

② The use of machineryBefore using the machine must be injected N46 hydraulic oil, and to all

lubricating points for lubrication. The hydraulic oil according to the specific use

should be generally six months to one year a replacement. The first to use the

machine should ask the point start check the action of the machine, and then to

single and continuous movement. When checking for each machine all normal for

the following actions:

1, Calculation or look-up table to confirm the bending tonnage and die opening size.

2, On upper and lower mold center position.

3, Determined before (after) material retaining position.

4,Adjust the stroke module defining upper and proofreading speed shift position.

5, Make sure the action norms ..(usually point move and single)

6, Workpiece pressure testing, adjusting the bottom dead center position and an

upper die inclined wedge blocks to achieve precision bending angle.

11. Security technology, machines and

maintenance

Machine operation and maintenance personnel must be familiar with the

structure, properties and use of the machine . To do routine maintenance, the

maintenance work.

1. Workpiece bending stress is not allowed to exceed the nominal pressure

machine.

2. In order to ensure the service life of the mold, every meters of bending

force is not more than 1000KN.

3. To maintain the accuracy and precision of workpiece bending machine,

bending work does not allow partial load (often by both sides at the same time

folded plate to solve).

4. Maintaining the cleanliness of hydraulic oil and oil flow.

5. Keep good lubrication to each lubricating point.

6. Must always keep the machine specified random with each wearing

parts.

Note: 1, Abnormal phenomena should immediately stop check repair.

2, The machines are forging product forming equipment, operation, repair

personnel should be trained, master safety knowledge, pay attention to the personal,

equipment safety.

Troubleshooting (see hydraulic principle diagram.)

Fault phenomenon causes Exclude method

The oil pump has no oil, hydraulicdo not move

The oil pump rotation direction is wrong

Adjust the main motor phase

Element, a pipe joint and thecylinder oil leak

The seal is damaged or aging

Replace the seal

Pipeline and machine tool vibration,Hydraulic system pressure couldn'tget on

Insufficient amount of oil tank,oil filter network congestion ,Tubing suction empty

Refueling and oil tank mark center,Cleaning filter, exhaust

Slider down found crawlingOr speed too low

Fluid control one-way valve is not smooth, the opening is too small,Oil temperature is too low, or high viscosity

Check the number 14 of the valve and control linesIdling warming or in low viscosity oil

The slider return instantaneous impact sound great

Time relay fault ordelay is not accurate

Inspection and adjustment of time delay is about 1 second

12. Accessories list

Name Generation number

Specification Quantity Remarks

Front bracket 2

Pedal switch 1

Bolt 4

Seal 4

Spanner 1

Oil Gun 1

Key 2

13. Wearing parts list

Spec name Raw material Qty Marks100T2500 Upper punch T8 5 5×500=2500

Lower die T8 1 95×95×2500100T3200 Upper punch T8 4 4×800=3200

Lower die T8 1 95×95×3200

100T4000 Upper punch T8 5 5×800=4000Lower die T8 1 95×95×4000