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TUWEI TWG-II A-P User Manual

Roll grooving machine
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TWG-ⅡA-P Roll Grooving Machine
User's Manual
Familiar yourself with this Manual prior to operation
Tuwei Construction Equipment Manufacturing Co., Ltd,
People's Republic of China

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Summary of Contents for TUWEI TWG-II A-P

  • Page 1 TWG-ⅡA-P Roll Grooving Machine User’s Manual Familiar yourself with this Manual prior to operation Tuwei Construction Equipment Manufacturing Co., Ltd, People’s Republic of China...

  • Page 2: Table Of Contents

    Table of Contents Major applications and scope· · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·2 Technological Parameters·...

  • Page 3: Major Applications And Scope

    I. Major applications and scope This machine is applicable for forming circular channel at the end of seamless steel tubing, galvanized pipes, plastic-lining pipes and stainless steel pipes etc, to facilitate the mounting of circular pipe clamps. It’s an ideal tool for construction industry and pipeline construction sectors.

  • Page 4: Major Parts

    III. Major parts Fig.1 TWG-ⅡA-B Roll Grooving Machine 1. Limit fastening nut 10. Power head 2. Limit nut 11. Bracket 3. Oil cylinder 12. Handle seat 4. Relief valve 13. Handle 5. Slide 14. Switch 6. Roller frame 15. Safety cover 7.

  • Page 5: Driving System

    IV. Driving System The major moving unit of this machine consists of a rotating spindle directly driven by a reduction motor, resulting in a reduced loss of mechanic power. The feeding movement is realized by manual hydraulic system. V. Electric System Fig.2 Electric Circuit Diagram Consist of an electric motor, a Footswitch,a contractor and cables.
  • Page 6 Fig .3...

  • Page 7: Operations And Adjustments

    VI. Operation and Adjustment 1. According to Fig.3 install 4 brackets into 4 holes of base separately in an upward direction and then tighten. 2. Let the machine run idle to check whether it’s normal. 3. Place the steel tubes on the knurl wheel and bracket. Turn the handle (see Fig. 3) to vary the height of bracket, so that the steel tube and spindle are parallel.
  • Page 8 handle to let the pinch roller roll at the original position for 1-2 turns before opening the relief valve to allow the pinch roller leave the pipe. The above procedure shall occur while the machine is kept on. 7.Remove the filler plug (Fig.6 ) to add hydraulic oil(loosen the relief valve, remove all the dusts near the filler aperture).Use 20# hydraulic oil in Summer and 10# inWinter.
  • Page 9 Fig .7 Fig. 8 Fig .9 Fig.10 Fig .11 Fig .12...
  • Page 10 10..For the replacement of pinch roller, you shall return the pinch roller holder to the highest positionand remove the tighten screws (Fig.15),before pulling out the pinch roller shaft while holding the roller with your hand, install new pinch roller. For the relocating of pinch roller, you shall loosen 2 hexagonal bolts (Fig.16) on the slide and turn the adjustment bolts to move the pinch roller forward/backward.
  • Page 11 12..In case of steel pipes of large diameter (above Φ 165 mm) to be channeled, the pipe may swing violently Fig .13 in the process of channeling due to irregularity and a poor channeling or even failure may be resulted. To solve this problem, we particularly supply an optional jockey roller which can be moved to touch the steel pipe by turning the handwheel and screw...
  • Page 12 Fig .14 Fig .17 (form 1) Diameter of Model Model of Nominal Actual A± B± C± Groove Bottom Of pinch knurl Pipe Pipe roller wheel Dia.(inch) Dia.(mm) (mm) (mm) (mm) Max.(mm) Min.(mm) Small 2” 15.88 8.74 1.65 57.15 56.77 Knurl 2-1/2”...

  • Page 13: Precautions

    8” 19.05 11.91 2.34 214.40 213.76 Large Large Pinch Knurl 10” 19.05 11.91 2.39 268.28 267.59 roller wheel 12” 19.05 11.91 2.77 318.29 317.53 VII. Precautions The operator is required to read this Manual in details to be familiar with the structure, buttons , handles, driving and lubricating systems of the machine prior to operation.
  • Page 14 This mark indicates the operator may have risks of injury and even death due to improper operation. Notice！ This mark indicates contents which the operator shall observe. Otherwise, unexpected results or even human injury may be produced. 2． General Notices 2.1 The operators shall observe in-house safety rules .
  • Page 15 refilled with grease each shift respectively, after removing the dusts around the orifice. 3． Safety protective measures on electric control system An earthing wire and a proper fuse are required in th power line . The voltage and frequency of motor shall be consistent with the power supply.； Overload running shall be avoided.

  • Page 16: Troubleshooting

    Troubleshooting VIII. Problem Causes Solutions 1. Insufficient Add hydraulic oil. hydraulic oil. No pressure in the oil cylinder. 2. Dirt oil blocks the Replace the hydraulic oil, clean No action resulted from turning hole. the oil net. the handle. Remove the screws and spring. 3.
  • Page 17 1. Improper direction Vary the direction and height of and height of bracket. bracket. Toggle the clock-wise / The pipe escapes 2. Improper direction anti-clockwise switch to change of steel pipe the rotation direction of spindle 3. Rough end face of Grind the end face.
  • Page 18 IX. The assembly drawing of roll grooving machine and parts form Fig .18...
  • Page 19 Fig .19...
  • Page 20 1. TWG-IIA -PRoll grooving machine component and parts form (Fig.19) Code name Name Material Nameplate Aluminum alloy Loop TWG/2-01-005 Safety cover Sheet t=1.2 GB67-2000 Slotting screw M5x8 GB67-2000 Slotting screw M5x16 Switch Reduction motor 750W GB-41-2000 Hexagonal nut C level M10 GB93-87 Spring washer 10 GB97.1-2002...
  • Page 21 Code name Name Material TWG/2-01-007 Intermediate link TWG/2-01-008 Shaft link GB70.1-2000 Hexagonal screw M6x12 TWG/2-01-009 Rear cover HT200 GB297-94 Roller bearing 32010 TWG/2-01-014 Main shaft 40Cr GB/T1097-1979 Flat key 8x25 GB/T1097-979 Flat key 6x30 Bushing Φ80 TWG/2-01-010 TWG/2-01-001 Unit head HT200 Bushing Φ75 TWG/2-01-011...
  • Page 22 Code name Name Material GB70.1-2000 Hexagonal screw M5x16 TWG/2-02-029 Piston fixed ring screw GB70.1-2000 Hexagonal screw M6x30 TWG/2-04-004 Screw fixed ring TWG/2-04-003 Adjust screw GB5782-2000 Hexagonal head tap bolt M10x45 TWG/2-01-002 Guide rail bar GB70.1-2000 Hexagonal screw M10x20 GB70.1-2000 Hexagonal screw M5x10 GB79-2000 Hexagonal fasten screw M10x30 TWG/2-04-009...
  • Page 23 Code name Name Material TWG/2-01-016 Power hearing safety cover Jointing assembled GB/T70.1-2000 Hexagonal screw M10x50 TWG/2A-01-019 Booster bloosk TWG/2A-01-018 Tool box Jointing assembled TWG/2A-01-017 Platform support blok ZG200-400 GB/T70.1-2000 Hexagonal screw M10x25...
  • Page 24 Fig .20...
  • Page 25 2. Oil pump parts form (Fig.20) Code name Name Material GB/T819-2000 Cross slot countersuhr head screw M5X10 TWG2P-02-008 Bead flange TWG2P-02-007 Limit locking nut TWG2P-02-006 Limit mut TWG6.04-006 Big spring 65Mn TWG/2-02-024 Safety vakve bulk head GB3452.1-1992 Universal O-ring rubber D15X1.9 Buna-N rubber TWG/2P-02-004 Cylinder cover...
  • Page 26 Code name Name Material TWG/2-02-007 Small piston rong GB/T10708.3-2000 Scraper seal TWG/2-02-028 Fore cover D16X1 GB/T3452.1-1992 Viton O-ring 16X2.4 TWG/2-02-010 Hexagonal cylinder cover Copper backing ￠28X ￠22X1mm TWG/2-02-011 Steel ball ￠6 GB/T308-84 Copper backing ￠12X ￠7X1mm TWG2P.02-006 Relier valve screw GB3452.1-1992 Universal O-ring rubber D11X1.9 Buna-N rubber...
  • Page 27 Code name Name Material GB/T70.1-2000 Hexagonal screw M6x30 TWG/2-02-026 New cone valve TWG/2-02-025 New safety valve spring 65Mn TWG/2-02-023 New safety valve screw GB3452.1-1992 Universal O-ring rubber D10X1.9 Buna-N rubber TWG/2-02-024 New safety valve blank cap GB3452.1-1992 Universal O-ring rubber D8X1.9 Buna-N rubber TWG/2-02-021 Oil drain stooper...
  • Page 28 Fig .21...
  • Page 29 3. Jockey pulley parts form (Fig.21) Code name Name Material GB/T61785-2000 Outler hexagonal nut M14 GB/T95-2002 Plain washer C-Φ14 TWG/2B-03-010 Guide roller safety cover TWG/2B-03-001 Gasket TWG/2B-03-002 Guide roller Subassembly TWG/2-B03-003 Guide roller shaft TWG/2B-03-004 Guide block GB/T70.1-2000 Hexagonal screw M10x20 TWG/2B-03-008 Roller frame Jointing assembled...
  • Page 30 Fig .22...
  • Page 31 4. Bracket parts form (Fig.22) Code name Name Material GB/T 5781-2000 Hexagonal bolt M10x25 GB93-87 Spring washer 10 GB97.1-2002 Flat washer A level 10 TWG/2A-05-005 Triangle bracket Jointing assembled TWG/2A-05-008(1) Stopping block A TWG/2A-05-009 Bracket pipe HT200 TWG/2A-05-007 Guide column Jointing assembled GB/T 70.1-2000 Hexangular bolt M8x20...
  • Page 32 1. Our company reserves the authority of changing the products and specification, if any alteration we don't inform specially. 2. Difference between the picture and the object, please be subject to the object. Tuwei Construction Equipment Manufacturing Co., Ltd, Add: No.31 Kangzhuang Road,Western industry zone,Huangyan,Taizhou, Zhejiang,China Tel：0086-576-84715288 84715290 Fax：0086-576-84715289...