Manual bending machine, hydraulic bending machine manual 
 I. Overview: Our production is a reference manual bending machine designed and manufactured similar products in Japan, some with hydraulic hand pump and set the speed unloading bodies and filter overload, so the machine has reasonable structure, light weight, small size, long life characteristics, for the construction, chemical, plumbing, oil and coal, manual bending tool ideal. 
 Second, the performance parameters: 
 Type Maximum Working Pressure Maximum working stroke bending angle fuel tank capacity (15 # oil) 
 WQJ-G60 45MPa 250mm 90 ° ≤ a <180 ° 1.2Kg 
 WQJ-G90 50MPa 320mm 90 ° ≤ a <180 ° 2.5Kg 
 WQJ-G108 63MPa 415mm 90 ° ≤ a <180 ° 4Kg 
 1, such as pipe wall thickness is 2-5mm choose YSDW electric, manual or DWG electric pipe bending machine or WQG manual pipe bender. 
 2, pipe wall thickness can be selected for the 0.5-4mm choose DWQJ rolling bending machine. 
 3, 10-25mm in diameter and smaller wall thickness less than 2mm can choose SWG25 manual pipe bender. 
 4, wall thickness ≤ 12mm to select elective YZWG Electric hydraulic pipe bender. 
 Third, the use of 
 l, the hydraulic pipe bender switch manually tightened, bearing wheels and mold and bend the workpiece to be coated with grease contact area. 
 2, according to the curved pipe size, select the appropriate bending mode, mounted on top of the piston rod, two bearing wheels the size of the corresponding slot for the curved model, special attention should be on the wheel bearing flange surface of the corresponding size of the hole edge , the "maximum size of the outermost hole. and so on. to avoid the location of two asymmetric wheel bearing, causing damage to the molds and parts. 
 3, place the workpiece on the wing will be covered, first with a fast pump to the workpiece to bend molded pieces, and then slowly pump the pressure to the desired angle of the workpiece, turn off after a good opening, work will automatically reset the piston, and open on the wing, remove the workpiece. 

 Fourth, pay attention: 1, manual hydraulic bending machine check before the first use of the oil tank is adequate, if less than to be filled. 
 2, before switching work - scheduled to be shut; otherwise not hit on the pressure, and to loosen the oil drain plug for the fuel tank ventilation. 
 3, the curved pipe diameter must fit with the curved die groove, or the phenomenon of the workpiece will have a flat or concave mold split up. 
 4, the seam welded pipe in the bend to the outside or the being is inside. Two bearing the bending process and the work piece while turning the wheel to wheel in the groove bearing slide, such as single-sided fixed should stop operating. 
 5, manual hydraulic pipe bender to do the usual cleaning of equipment maintenance, fuel to clean - set to filter through more than 80 mesh filter, oil filter unit should be cleaned regularly 
 6, manual hydraulic bending machine with 15 machine oil. 

 Five, wearing parts 
 For the convenience of the user maintenance, the manual hydraulic bender wearing seals into the spare parts bag. 
 l, YX-ring D28 (1 只), D16 (2 only). 

 Six possible failure and troubleshooting: 
 Failure causes Remedy 
 1, piston rod shake out after a certain length of the handle, entry bar stretched it out a shrink. Loosen the oil drain plug is not screwed Songane oil drain plug 
 The oil pump in the valve port ball valve does not seal the oil does not have the whole garden waste, should be replaced with clean oil, replace the ball. 
 2, large and small damage to the pump piston rod seal oil leakage at the seals put on the spare parts bag 
 3, switch oil leakage at the pressure switch ring is too loose screws and remove the limit switch, tighten the gland ring 
 4, the top peak of the staff out of weakness, can not work. Switch in the top ball switch is not sealed well, or drop ball top ball firmly tighten the ball exchange switch, without the ball, the ball should be added. 
 5, plunger rod top top oil seal damaged replace 14 × 2.4 O-rings (not included) 
 6, large and small filter pump less oil on the inside with a litter or oil filter unscrew the insufficient number 12 parts clean with gasoline and fill up the mesh. 
 7, mounting hole split mold die out when the lateral load items 
 Such as: bend over and then bend the workpiece when the location does not put the wheel bearing position is checked whether the two symmetrical, bearing fit at the wheel and workpiece coated with oil, place is the location of the second bend. 
 8, pick up the pump, also known to take the pump, return pump ball valve does not reset the function bar (15) out, so there is pressure on the piston in the handle seat (14) hit a few on the head with Lang can make the ball the next reset. 
 Note: If the above troubleshooting is still effective, or not write fault, please contact the factory. 

 Seven complete factory manual hydraulic pipe bender and pipe diameter, wall thickness of the mold, the standard (unit: mm) 
 WQJ-G60 supporting mold 0.5 "0.75" 1 "1.25" 1.5 "2" 
 Pipe diameter 21.25 26.75 42.25 48 60 33.5 
 Wall thickness 2.75 2.75 3.25 3.25 3.5 3.5 
 WQJ-G90 supporting mold above 2.5 "3" 
 Pipe diameter 75.5 88.5 
 Thickness 3.75 4 
 WQJ-G108 supporting mold above 4 " 
 108 diameter pipe 
 Wall thickness 4.5 

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 Contact: Lu University (Sales Manager) 

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 E-mail: lvgaoxiao03014@163.com 

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