High-Frequency Welding Pipe Making Machine Line Tube Line

1:Main technical specification
1: Raw material (steel coil) condition

1. Steel coil material: carbon steel

2: Finished product requirements

1. Round pipe
2. Out diameter:φ14~φ40mm
3. Wall thickness:1.2~2.0mm

3: Machine arrangement

1. Machine arrangement form:Split style
2. Arrangement: feed, side discharge (look from console, decided by customer)
3. Machine production speed:0~60m/min

2. Technology procedures
Uncoiling→Butt shearing& Welding→vertical accumulator →Flattening→Forming→HF welding→Scraper→Cooling→Sizing→Straightening→Flying cutting off→Run out table.
 
3.Main specifications of machine line
1,Uncoiler

1. Structural style: Expanding by air, double rolls
2. Coil ID:φ508mm
3. Coil OD:≤φ1600mm
4. Coil width: 40~1500mm
5. Coil weight:≤1.5MT
6. Braking type: Pneumatic braking
7. Station conversion style: Manual pushing 180°

2:Butt shear& welding machine

1. Function:

1.cut off the bad part at the end and head of the steel coil , also the
 middle part of the coil
   2. cut head and end before welding, make sure the welding
terminal flat and straight which is good for welding

1. Structure style: Pneumatic cutting+autowelding
2. Steel coil welding form: manual
3. Cutting thickness:1.2~2.0mm
4. Max cutting width:130mm
5. Blade material:T12A
6. Blade edge:2

3: Vertical accumulator

1. Vertical accumulator: sheet go through from the vertical
2. Coil width:40~130mm
3. Coil thickness:1.2~2.0mm
4. Feeding speed: 100~160m/min
5. Structural style: Turn direction stand, pinch devic), main body of accumlator

1. Steel coil feed and discharge control: feed with manual control, share the same console with uncoilor, discharge is powerless.

4:: Forming and Sizing machine
4.1 Feeding device

1. Vertical guide roller: a pair of vertical guide roller after flatten roller, adjust open and close by hand
2. Flatten roller: With 7 rollers to make coil enter into forming machine steadily, flatten rollers are motorless, with down rollers fixed and up rollers adusted by first screw

4.2 Forming stand

1. Machine adopts bottom line horizontal roller forming theory, with double 

radius holes style

1. Forming requirements:

1. Out diameter:φ14~φ40mm;
2. Wall thickness:1.2~2.0mm;

4.3 Forming stand specifications:
Roller stand  Quantity  Shaft diameter  Roller material  Shaft heat treatment
Horizontal     7       φ60mm      40Cr           HF quenching
Vertical       8       φ40mm      40Cr         HF quenching
  4.4 Forming stand structural requirements:

1. There is a vertical roller group stand before the back three-path flatten roller stand, avoid the pipe surface scratching.
2. Above each opening forming horizontal stand, the top of bearing, there 

is a overload protection device. The cushion have buffer when
overloading, to protect horizontal roller and transmission device, no
need to change new cushion

1. Horizontal roller is gantry structure, including

  Open forming: 4 stands
  Close forming: 3 stands

1. Vertical roller is chute structure, including

  Double vertical guide rollers, adjust open and closed same time by hand
  With vertical roller up-down adjustable structural

1. Ways of changing roller: side pull
2. Stand lubrication: at the back of horizontal rollers stand, use oil gun with lubricating nipple

5: Welding equipment (mechanical part)

1. Welding seam guide stand: (1set) guide roller including up and down 2

rollers, in the middle have guide blade, welding seam angel adjust by
screw.

1. Welding squeezing roller stand: (1set) three rollers (up roller is

disassemble), squeezing rollers squeeze melt metal and weld together

1. Side squeezing roller shaft diameter:φ30mm;
2. Outside burr remove device (1set) installs alterative front-back cutting

tool, handwheel adjust the height and horizontal position with pneumatic fast feed knife device

1. Down holding part: with hard wood adjustable height. Guarantee the

welding place smooth

1. Polishing roller stand: (1set) vertical roller adjusts open and closed by

hand

1. Cooling device form: with spraying and run-off pit

 
6: Sizing stand
  6.1 Sizing requirements:

1. Out diameter:φ14~φ40mm
2. Wall thickness:1.2~2.0mm

6.2 Sizing stand specifications:
Roller stand  Quantity  Shaft diameter  Roller material  Shaft heat treatment
Horizontal     6       φ45mm      40Cr           HF quenching
Vertical       6       φ35mm      40Cr         HF quenching
6.3 Sizing stand structural requirements:

1. Ways of changing roller: side pull
2. Up roller adjustment: right and left adjust separately
3. Vertical roller stand is chute structure, double vertical roller guide,

adjust open and closed same time by hand, with up and down adjust
deivce

1. Stand lubrication: at the back of horizontal rollers stand, use oil gun

with lubricating nipple
  6.4(Turkey head) straightening device 

1. Function: straightening pipe flat and draw into flying cut off rightly as

well as square and rectangular pipe, straightening without changing shape

1. Structure: four roller turkey head, up-down,left-right and rotate adjustment separately
2. Quantity: two sets single side truk head
3. Straightening pipe diameter:φ14~φ40mm
4. Pipe wall thickness:1.2~2.0mm

 
7,Computer-controlled flying saw

1. Form: micro-computer specified length flying cutting
2. Function:

A: make sure the cutting position of specified length, start fast to made synchronous between cutting equipment and production line.
 B: Keep synchronous between cutting equipment and production line, cut pipes by means of cutting structure move
 C: Fast resetting: Control method: motor controlled by micro-computer through reduction box gearing rack and pinion drive flying cutting

1. Cutting method: friction metal cut saw
2. Max speed of flying cutting off:60m/min
3. Cutting diameter:φ14~φ40mm
4. Cutting wall thickness:≤2.0mm
5. Cutting accuracy:±3mm
6. Cutting specified length:6m
7. Saw blade rotation speed:3400rpm
8. Cutting motor:7.5KW
9. Tracking motor:11KW
10. Pneumatic system:0.4~0.7Mpa

  
8,Back roller stand

1. Holding stand structural form: structure steel welding
2. Roller stand height mark: same with pipe rolling and the center of flying cutting off discharge table 
3. Holding roller form and material: holding rollers are plain-barrel ones, material: steel 45#quenching hard chrome-plated with long working life and without scratching pipe.
4. Power of roller: use 3kw motor drive which can satisfy different production speed.
5. Reverse direction: (pipe forwarding direction)

 
9: Drive system

1. The whole system adopts combination transmitting between forming machine and sizing machine, main motor of each system through reducer box, gear box(spiral bevel gear) and universal shaft to drag horizontal roller. Vertical rollers are powerless. spiral bevel gear material is 20CrMnTi
2. Main motor: 1 set 75kw
3. Gear box lubrication: rare immersion lubricating: oil level appears outside

the box

1. Water pipe distribution: machine prepares the total entrance for cooling water, each roller installs adjustable metal cooling pipe spray head, flux of cooling water: ≥10 ton/hour

 
10:  Out-sourcing parts of welding pipe making machine line

1. Main motor                        1 set 75kw 
2. Speed reducer                      Domestic famous brand
3. Flying cutting off electric            Domestic famous brand
4. Cylinder and pneumatic items         Domestic famous brand
5. Forming and sizing machine bearings   Domestic famous brand
6. Main electrical items                 Domestic famous brand
7. Solid-state high frequency             China 100kw

1:Main technical specification
1: Raw material (steel coil) condition

1. Steel coil material: carbon steel

2: Finished product requirements

1. Round pipe
2. Out diameter:φ14~φ40mm
3. Wall thickness:1.2~2.0mm

3: Machine arrangement

1. Machine arrangement form:Split style
2. Arrangement: feed, side discharge (look from console, decided by customer)
3. Machine production speed:0~60m/min

2. Technology procedures
Uncoiling→Butt shearing& Welding→vertical accumulator →Flattening→Forming→HF welding→Scraper→Cooling→Sizing→Straightening→Flying cutting off→Run out table.
 
3.Main specifications of machine line
1,Uncoiler

1. Structural style: Expanding by air, double rolls
2. Coil ID:φ508mm
3. Coil OD:≤φ1600mm
4. Coil width: 40~1500mm
5. Coil weight:≤1.5MT
6. Braking type: Pneumatic braking
7. Station conversion style: Manual pushing 180°

2:Butt shear& welding machine

1. Function:

1.cut off the bad part at the end and head of the steel coil , also the
 middle part of the coil
   2. cut head and end before welding, make sure the welding
terminal flat and straight which is good for welding

1. Structure style: Pneumatic cutting+autowelding
2. Steel coil welding form: manual
3. Cutting thickness:1.2~2.0mm
4. Max cutting width:130mm
5. Blade material:T12A
6. Blade edge:2

3: Vertical accumulator

1. Vertical accumulator: sheet go through from the vertical
2. Coil width:40~130mm
3. Coil thickness:1.2~2.0mm
4. Feeding speed: 100~160m/min
5. Structural style: Turn direction stand, pinch devic), main body of accumlator

1. Steel coil feed and discharge control: feed with manual control, share the same console with uncoilor, discharge is powerless.

4:: Forming and Sizing machine
4.1 Feeding device

1. Vertical guide roller: a pair of vertical guide roller after flatten roller, adjust open and close by hand
2. Flatten roller: With 7 rollers to make coil enter into forming machine steadily, flatten rollers are motorless, with down rollers fixed and up rollers adusted by first screw

4.2 Forming stand

1. Machine adopts bottom line horizontal roller forming theory, with double 

radius holes style

1. Forming requirements:

1. Out diameter:φ14~φ40mm;
2. Wall thickness:1.2~2.0mm;

4.3 Forming stand specifications:
Roller stand  Quantity  Shaft diameter  Roller material  Shaft heat treatment
Horizontal     7       φ60mm      40Cr           HF quenching
Vertical       8       φ40mm      40Cr         HF quenching
  4.4 Forming stand structural requirements:

1. There is a vertical roller group stand before the back three-path flatten roller stand, avoid the pipe surface scratching.
2. Above each opening forming horizontal stand, the top of bearing, there 

is a overload protection device. The cushion have buffer when
overloading, to protect horizontal roller and transmission device, no
need to change new cushion

1. Horizontal roller is gantry structure, including

  Open forming: 4 stands
  Close forming: 3 stands

1. Vertical roller is chute structure, including

  Double vertical guide rollers, adjust open and closed same time by hand
  With vertical roller up-down adjustable structural

1. Ways of changing roller: side pull
2. Stand lubrication: at the back of horizontal rollers stand, use oil gun with lubricating nipple

5: Welding equipment (mechanical part)

1. Welding seam guide stand: (1set) guide roller including up and down 2

rollers, in the middle have guide blade, welding seam angel adjust by
screw.

1. Welding squeezing roller stand: (1set) three rollers (up roller is

disassemble), squeezing rollers squeeze melt metal and weld together

1. Side squeezing roller shaft diameter:φ30mm;
2. Outside burr remove device (1set) installs alterative front-back cutting

tool, handwheel adjust the height and horizontal position with pneumatic fast feed knife device

1. Down holding part: with hard wood adjustable height. Guarantee the

welding place smooth

1. Polishing roller stand: (1set) vertical roller adjusts open and closed by

hand

1. Cooling device form: with spraying and run-off pit

 
6: Sizing stand
  6.1 Sizing requirements:

1. Out diameter:φ14~φ40mm
2. Wall thickness:1.2~2.0mm

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