Hydraulic Shop Press: Difference between revisions

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* Cuts/scrapes from sharp edges and burrs
* Cuts/scrapes from sharp edges and burrs


=Tooling=
=Bending=
 
* Mark your workpiece with a clearly visible line.


{| class="infobox" cellspacing="5" style="width: 2em; text-align: left; font-size: 100%; line-height: 1.5em;"
{| class="infobox" cellspacing="5" style="width: 2em; text-align: left; font-size: 100%; line-height: 1.5em;"
! colspan="2" class="infobox-image" | [[File:Metal_shop_press_bending_tool_removal.png|190px|dead_blow]]
! colspan="2" class="infobox-image" | [[File:bending_a_piece.png|160px|bending]]
|-
| colspan="2" | Bend
|-
|-
| colspan="2" | Removing the tool with a "dead-blow" hammer.
|}
|}


{| class="infobox" cellspacing="5" style="width: 2em; text-align: left; font-size: 100%; line-height: 1.5em;"
{| class="infobox" cellspacing="5" style="width: 2em; text-align: left; font-size: 100%; line-height: 1.5em;"
! colspan="2" class="infobox-image" | [[File:Metal_shop_press_bending_tool_longitudinal.png|200px|bender_longit]]
! colspan="2" class="infobox-image" | [[File:squaring_a_piece.png|220px|squaring]]
|-
| colspan="2" | Square
|-
|-
| colspan="2" | Longitudinal bending tool.
|}
|}


{| class="infobox" cellspacing="5" style="width: 2em; text-align: left; font-size: 100%; line-height: 1.5em;"
{| class="infobox" cellspacing="5" style="width: 2em; text-align: left; font-size: 100%; line-height: 1.5em;"
! colspan="2" class="infobox-image" | [[File:Metal_shop_press_bending_tool_transverse.png|210px|bender_transv]]
! colspan="2" class="infobox-image" | [[File:marking_a_piece.png|210px|marking]]
|-
|-
| colspan="2" | Transverse bending tool.
| colspan="2" | Mark
|-
|-
|}
|}


The bending tool is press-fit onto the ram below the bottle jack. It can be positioned at any angle, but the two most useful orientations are shown here: longitudinal and transverse.
* Insert the workpiece into the jig and lower the workpiece so it lightly loads.
 
* Square the workpiece in the tool.
 
* Pump up the pressure to bend the workpiece.


To remove the tool, hit it with a "dead-blow" hammer with a soft head until it lossens up and comes offReposition, and press it onto the ram using the press.
* Check the angle with a square as the bend approaches 90°If you squeeze too far, the bend can surpass 90°.


=Bending=


* Mark your workpiece with a clearly visible line.
=Tooling=


{| class="infobox" cellspacing="5" style="width: 2em; text-align: left; font-size: 100%; line-height: 1.5em;"
{| class="infobox" cellspacing="5" style="width: 2em; text-align: left; font-size: 100%; line-height: 1.5em;"
! colspan="2" class="infobox-image" | [[File:bending_a_piece.png|160px|bending]]
! colspan="2" class="infobox-image" | [[File:Metal_shop_press_bending_tool_removal.png|190px|dead_blow]]
|-
| colspan="2" | Bend
|-
|-
| colspan="2" | Removing the tool with a "dead-blow" hammer.
|}
|}


{| class="infobox" cellspacing="5" style="width: 2em; text-align: left; font-size: 100%; line-height: 1.5em;"
{| class="infobox" cellspacing="5" style="width: 2em; text-align: left; font-size: 100%; line-height: 1.5em;"
! colspan="2" class="infobox-image" | [[File:squaring_a_piece.png|220px|squaring]]
! colspan="2" class="infobox-image" | [[File:Metal_shop_press_bending_tool_longitudinal.png|200px|bender_longit]]
|-
| colspan="2" | Square
|-
|-
| colspan="2" | Longitudinal bending tool.
|}
|}


{| class="infobox" cellspacing="5" style="width: 2em; text-align: left; font-size: 100%; line-height: 1.5em;"
{| class="infobox" cellspacing="5" style="width: 2em; text-align: left; font-size: 100%; line-height: 1.5em;"
! colspan="2" class="infobox-image" | [[File:marking_a_piece.png|210px|marking]]
! colspan="2" class="infobox-image" | [[File:Metal_shop_press_bending_tool_transverse.png|210px|bender_transv]]
|-
|-
| colspan="2" | Mark
| colspan="2" | Transverse bending tool.
|-
|-
|}
|}


* Insert the workpiece into the jig and lower the workpiece so it lightly loads.
The bending tool is press-fit onto the ram below the bottle jack.  It can be positioned at any angle, but the two most useful orientations are shown here: longitudinal and transverse.


* Square the workpiece in the tool.
To remove the tool, hit it with a "dead-blow" hammer with a soft head until it lossens up and comes offReposition, and press it onto the ram using the press.
 
* Pump up the pressure to bend the workpiece.
 
* Check the angle with a square as the bend approaches 90°If you squeeze too far, the bend can surpass 90°.

Revision as of 19:39, 6 September 2024


Link to: Metal Shop main page

Link to: Metal Shop tool list


12-Ton Shop Press
Shop press for bending
General Info
Make Duralast
Model 12-ton
Serial Unknown
Specs n/a
Manual n/a
Asylum Info
Location Metal Shop
Rubric n/a
Training Tool classes
Testing Tool testing, or come to the shop on Tool Testing Night
Restrictions green


Description

pressure_relief
Pressure relief

This is a 12-ton hydraulic "bottle" jack mounted to a steel frame so it can be used as a press. The pressure relief valve is located on the press base. This machine is generally used for bending sheets and bars, and it usually has a 4" wide right-angle bending tool and die set mounted. The opening in the frame is 16" wide.

Use for:

  • Bending steel sheets and bars up to 1/8" thick

Do not use for:

  • High-carbon or Hardened steel
  • Round or square stock

Safety Hazards

Warning Safety glasses Eye protection required!


  • Workpiece can unexpectedly snap
  • Pinching injuries
  • Cuts/scrapes from sharp edges and burrs

Bending

  • Mark your workpiece with a clearly visible line.
bending
Bend
squaring
Square
marking
Mark
  • Insert the workpiece into the jig and lower the workpiece so it lightly loads.
  • Square the workpiece in the tool.
  • Pump up the pressure to bend the workpiece.
  • Check the angle with a square as the bend approaches 90°. If you squeeze too far, the bend can surpass 90°.


Tooling

dead_blow
Removing the tool with a "dead-blow" hammer.
bender_longit
Longitudinal bending tool.
bender_transv
Transverse bending tool.

The bending tool is press-fit onto the ram below the bottle jack. It can be positioned at any angle, but the two most useful orientations are shown here: longitudinal and transverse.

To remove the tool, hit it with a "dead-blow" hammer with a soft head until it lossens up and comes off. Reposition, and press it onto the ram using the press.