Prufi
MAC-037Declared input

Hydraulic press brake

Machines

Scope and limits

Hydraulic press brake: Capability screening from explicit operating inputs and machine limits. Compare supplier/trial force and moment, usable length, radius, grip and stock limits. No universal bending-force or minimum-radius formula is assumed. Not assessed: Hydraulic force distribution and crowning.

Standards and references

DIN EN 12622:2014-02

Hydraulic press brake safety

Source scope
Hydraulic press brake safeguards and verification, outside STEP part screening.
Implementation in Prufi
Public scope/reference only; no licensed tolerance tables, safety tests or automatic machine capacity values. Manufacturer equations require explicit operating inputs and confirmation.

STEP examples for this check

Geometry preview: Bend length: 60 / 100 mm

Machines · CC0-1.0

Bend length: 60 / 100 mm

Declared machine scenario

The smooth L-bracket has a 60 mm long bend, 2 mm sheet and R4 inside radius. Compare that bend line with the declared machine length. The defect is insufficient machine capacity, not a cylinder or malformed bend.

Dimensions (approx.): 46 × 46 × 60 mm

Scenario inputs

Synthetic machine and operation data. These values cannot be inferred from the shape alone.

Bend length
60 mm
Maximum bend length
100 mm
Expected check result

MAC-037.BEND_LENGTH: expect an explicitly passed capacity check; other requirements remain unassessed.

No finding expected

MAC-037.BEND_LENGTH

Compare: Bend length: 60 / 50 mm
Geometry preview: Bend length: 60 / 50 mm

Machines · CC0-1.0

Bend length: 60 / 50 mm

Declared machine scenario

The smooth L-bracket has a 60 mm long bend, 2 mm sheet and R4 inside radius. Compare that bend line with the declared machine length. The defect is insufficient machine capacity, not a cylinder or malformed bend.

Dimensions (approx.): 46 × 46 × 60 mm

Scenario inputs

Synthetic machine and operation data. These values cannot be inferred from the shape alone.

Bend length
60 mm
Maximum bend length
50 mm
Expected check result

MAC-037.BEND_LENGTH: expect a failed capacity check.

Finding expected

MAC-037.BEND_LENGTH

Compare: Bend length: 60 / 100 mm
Geometry preview: Tool load: 1000 / 1200 kN/m

Machines · CC0-1.0

Tool load: 1000 / 1200 kN/m

Declared machine scenario

This 60 mm bend is assigned a uniformly distributed 60 kN force: 1000 kN/m. The press can provide 100 kN, but the tool limit is only 1200 kN/m. Inspect the loaded bend length and the declared ratings.

Dimensions (approx.): 46 × 46 × 60 mm

Scenario inputs

Synthetic machine and operation data. These values cannot be inferred from the shape alone.

Bend length
60 mm
Required force
60 kN
Maximum machine force
100 kN
Tool line-load limit
1,200 kN/m

Uniform load distribution assumed.

Expected check result

MAC-037.TOOL_LINE_LOAD: expect an explicitly passed capacity check; other requirements remain unassessed.

No finding expected

MAC-037.TOOL_LINE_LOAD

Compare: Tool load: 1000 / 900 kN/m
Geometry preview: Tool load: 1000 / 900 kN/m

Machines · CC0-1.0

Tool load: 1000 / 900 kN/m

Declared machine scenario

This 60 mm bend is assigned a uniformly distributed 60 kN force: 1000 kN/m. The press can provide 100 kN, but the tool limit is only 900 kN/m. Inspect the loaded bend length and the declared ratings.

Dimensions (approx.): 46 × 46 × 60 mm

Scenario inputs

Synthetic machine and operation data. These values cannot be inferred from the shape alone.

Bend length
60 mm
Required force
60 kN
Maximum machine force
100 kN
Tool line-load limit
900 kN/m

Uniform load distribution assumed.

Expected check result

MAC-037.TOOL_LINE_LOAD: expect a failed capacity check.

Finding expected

MAC-037.TOOL_LINE_LOAD

Compare: Tool load: 1000 / 1200 kN/m
Geometry preview: Holder load: 1000 / 1200 kN/m

Machines · CC0-1.0

Holder load: 1000 / 1200 kN/m

Declared machine scenario

This 60 mm bend is assigned a uniformly distributed 60 kN force: 1000 kN/m. The press can provide 100 kN, but the holder limit is only 1200 kN/m. Inspect the loaded bend length and the declared ratings.

Dimensions (approx.): 46 × 46 × 60 mm

Scenario inputs

Synthetic machine and operation data. These values cannot be inferred from the shape alone.

Bend length
60 mm
Required force
60 kN
Maximum machine force
100 kN
Holder line-load limit
1,200 kN/m

Uniform load distribution assumed.

Expected check result

MAC-037.HOLDER_LINE_LOAD: expect an explicitly passed capacity check; other requirements remain unassessed.

No finding expected

MAC-037.HOLDER_LINE_LOAD

Compare: Holder load: 1000 / 900 kN/m
Geometry preview: Holder load: 1000 / 900 kN/m

Machines · CC0-1.0

Holder load: 1000 / 900 kN/m

Declared machine scenario

This 60 mm bend is assigned a uniformly distributed 60 kN force: 1000 kN/m. The press can provide 100 kN, but the holder limit is only 900 kN/m. Inspect the loaded bend length and the declared ratings.

Dimensions (approx.): 46 × 46 × 60 mm

Scenario inputs

Synthetic machine and operation data. These values cannot be inferred from the shape alone.

Bend length
60 mm
Required force
60 kN
Maximum machine force
100 kN
Holder line-load limit
900 kN/m

Uniform load distribution assumed.

Expected check result

MAC-037.HOLDER_LINE_LOAD: expect a failed capacity check.

Finding expected

MAC-037.HOLDER_LINE_LOAD

Compare: Holder load: 1000 / 1200 kN/m