Description
HUFFORD EXTRUSION FORMING MACHINE – L&F SHERIDAN GRAY
Model A-7, Type Stretch-Wrap
SPECIFICATIONS
FORMING TONNAGE 20
JAW AXIAL ROTATION +/- 180 Degrees
DISTANCE BETWEEN JAWS 202" (5130 mm)
OPERATING (psi) 2,000
TENSION CYLINDER PULL (Adjustable) 3 tons Minimum
(Maximum 40,000 lbs.) 20 tons Maximum
TENSION CYLINDER STROKE 30" (762 mm)
TENSION CYLINDER SPEED, up to 30 ipm (762 mm/min.)
TENSION CYLINDER ROTATION +/- 25 Degrees
ARM SWING (Each Arm) 10 Degrees Forward to 90 Degrees Back.
WRAPPING SPEED RANGE Adjustable
DIE LENGTH at FULL TONNAGE and 180 degrees Wrap:
Minimum 18" (457 mm)
Maximum 72" (1829 mm)
With Optional Cross Slide 9" (229 mm)
Note: Die length can be more than 80", at lower tonnages & angles less than180°
DIE TABLE: (2) T-Slots
Working Surface, 72" W x 50"D (1828 mm X 1270 mm)
Height Table to Floor 36" (914 mm)
MOTOR DRIVE: Wired 440 volts, 3 Phase
Hydraulic Pump 40 H.P. 220/440 volts
CONTROLS: Controls for each Arm Function
Master On Button with Light. Start/Stop/Unload/Return Buttons.
Warning Light for: Hydraulic Fluid Over-Temp. Hydraulic Fluid Low. Hydraulic Filter
Emergency Stop Button. Two Position switch to program each arm.
TENSION CYLINDERS (Both) High & Low Pressure Buttons / Pressure Off Button.
Elong Switch 2-Positions.
EACH ARM : Digital Readout for each Arm Positioning.
ARM: Forward / Stop / Back Buttons.
TENSION CYLINDER: Out / Stop / On Buttons.
Forward / Back Position & Rate Set Up Controls. Jaws Open Close Switch
EQUIPPED WITH:
1 set 6" Gripper Jaws with Hydraulic Clamping
30-ton Bulldozer Die Clamp
2- Fixture Posts.
COMPLETE FACTORY SAFETY GUARDS
![20 tons, Hufford L&F, A-7 Extrusion Stretch Wrap Forming Press Machine, Distance between 6 inch gripper jaws 202 inch, with Bulldozer die clamp, Serial Number 80508 [S8120-10201-519]](https://centurymachinery.com/wp-content/uploads/2021/04/10201-1-Hufford-A7-20-T-202-in-BJ-Front-Serial-Number-80508-1.jpg "20 tons Hufford L&F A-7 Extrusion Stretch Wrap Forming Press Machine Distance between 6\" Gripper Jaws 202\" with Bulldozer Die Clamp, Serial Number 80508, Inventory Reference S8120-10201-519 - Century Machinery")
![20 tons, Hufford L&F, A-7 Extrusion Stretch Wrap Forming Press Machine, Distance between 6 inch gripper jaws 202 inch, with Bulldozer die clamp, Serial Number 80508 [S8120-10201-519]](https://centurymachinery.com/wp-content/uploads/2021/04/10201-2-Hufford-A7-20-T-202-in-BJ-RearRS-Serial-Number-80508-1.jpg "20 tons Hufford L&F A-7 Extrusion Stretch Wrap Forming Press Machine Distance between 6\" Gripper Jaws 202\" with Bulldozer Die Clamp, Serial Number 80508, Inventory Reference S8120-10201-519 - Century Machinery")
![Hufford A-10 Stretch Wrap Forming Press, Distance between 4" jaws 219", 17.5 tons, Tension Cylinder Stroke18½", Simultaneous Arms Movement, ID H081 [S8120-10025]](https://centurymachinery.com/wp-content/uploads/2021/04/10025-1-hufford-stretch-wrap-forming-press-A-10-17.5-T-4-in-jaws-BJ-219-intension-cyl-str-18.5in-Simultaneous-Arms-Serial-H081-LS-F-300x300.jpg "Hufford A-10 Stretch Wrap Forming Press Distance between 4\" jaws 219\" - 17.5 tons - Tension Cylinder Stroke18½\", Simultaneous Arms Movement, ID H081, Inventory reference S8120-10025 - Century Machinery")
![20 Tons, Cyril Bath CNC Dual Parts Extrusion Stretch Wrap Forming Press Machine, model V-20, Distance between primary jaws 168", Distance between second jaws 92.5", Carriage travel 39", Serial M10307 [S8120-9476-1]](https://centurymachinery.com/wp-content/uploads/2021/04/9476-1_cyril-bath-cnc-dual-jaws_single-plain-stretch-wrap-forming-press_V-20_mfg-03_F-1-300x300.jpg "20 Tons, Cyril Bath CNC Dual Parts Extrusion Stretch Wrap Forming Press Machine, Model V-20, Distance between primary jaws 168\", Distance between second jaws 92.5\", Carriage travel 39\", Serial M10307 [S8120-9476-1] - Century Machinery")
![600 tons, Sheridan Gray Sheet Extrusion Stretch Wrap Former, Model E-600-24, Articulate 84" Jaws, swing left & right & oscillate, Stroke Length 288", Die Length 192" [S8120-10029]](https://centurymachinery.com/wp-content/uploads/2021/04/10029-1A-sheridan-gray-sheet-extrusion-stretch-wrap-former_E-600-24_600-T_84-in-jaws_articulate_sw-L-R-oscillate_str-288-in_die-length-192-in_Example-Photo-300x300.jpg "600 tons, Sheridan Gray Sheet Extrusion Stretch Wrap Former, Model E-600-24, Articulate 84\" Jaws, Swing left & right & oscillate, Stroke Length 288\", Die Length 192\" [S8120-10029] - Century Machinery")
