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Cincinnati repair · Chicago and Illinois

Cincinnati press brake, shear and laser repair in Illinois

Cincinnati Incorporated press brakes and shears have been in Midwest shops for generations. Some Illinois shops are still running brakes older than their owners. We keep them bending.

Fastest response available

Cincinnati machine down?

Tell us the Cincinnati model, the control and the alarm. The nearest tech with a stocked van takes the call.

Quick answerLocalSpindle repairs Cincinnati Incorporated equipment on site across Chicago and Illinois: Autoform, Maxform, Proform, EZ Form and older mechanical and hydraulic press brakes, Cincinnati shears, and CL-series lasers. Hydraulics, valves, backgauges, controls, safety and retrofitted controls. Call 773-962-0269.

Cincinnati repair in Illinois

A century of brakes and shears from Ohio

Cincinnati Incorporated, based in Harrison, Ohio, has built press brakes and shears for more than a century, and its machines are everywhere in Midwest fabrication shops. In Illinois, you’ll find older Cincinnati mechanical press brakes still bending parts alongside hydraulic CB, Autoform, Maxforma and Proform brakes, Cincinnati shears of many sizes, and Cincinnati lasers in some shops.

Many of those machines are decades old and still productive, because Cincinnati built them heavy and simple. LocalSpindle techs work on old and new Cincinnati machines, including the hydraulics, mechanics, controls and backgauges.

Older mechanical press brakes

Mechanical press brakes use a flywheel, clutch and brake to drive the ram. They’re simple and rugged, but their clutches and brakes wear, their air systems leak, and their controls and safety systems may be outdated. Clutch and brake problems are safety problems, and we treat them that way.

We repair clutch and brake systems, air valves, controls, backgauges and safety devices, and we can help you decide whether upgrading the control and safety system makes sense for a mechanically good older brake.

Hydraulic press brakes

Cincinnati hydraulic press brakes are common in fab shops. Their problems include losing tonnage, slow or inconsistent ram motion, angle inconsistency, hydraulic leaks, valve problems, pump wear and backgauge issues. We check hydraulic pressures and valve operation, ram parallelism, crowning and backgauge calibration, and we repair or replace the components that are failing.

Shears

Cincinnati shears have common problems with blade gap and condition, hold-downs, backgauges, hydraulic systems on hydraulic shears and clutch and brake systems on mechanical shears. Poor cut quality, bowed parts and inconsistent sizes usually come from blade gap, worn blades or backgauge problems. We fix them and check safety devices.

Generations of brakes

Old Cincinnatis, new Cincinnatis

An old Cincinnati mechanical press brake and a new Autoform are different machines. The old ones are about clutches, brakes, flywheels and mechanical adjustments. The newer hydraulic machines are about valves, seals, pressure and controls. We work on both.

Shears have their own list: blade gap, hold-downs, the backgauge and the hydraulics. A shear that starts leaving burrs or bowing parts usually needs blade attention.

Common calls

What we fix on Cincinnatis

MachineCommon calls
Hydraulic press brakesValves, seals, pressure, ram parallelism, crowning
Mechanical press brakesClutch and brake, flywheel, stroke adjustment, safety
BackgaugesCalibration, axes, retrofits
ShearsBlade gap, hold-downs, hydraulics, backgauge
CL lasersCut quality, heads, motion, chillers

On site

What a Cincinnati visit covers

Mechanical brakes

Keeping an old mechanical Cincinnati safe and running

Mechanical press brakes store energy in a flywheel and use a clutch and brake to make each stroke. When the clutch slips or the brake wears, the ram can stop in the wrong place or drift. That’s a safety issue, not just a quality issue.

We inspect clutch and brake wear, adjust them, check the stroke control, and check the guarding and light curtains. If an old mechanical brake needs safety upgrades, we’ll tell you what’s involved.

Hydraulic Cincinnati brakes are a different job: valves, seals, pumps and pressure.

Shear problems

Shear symptoms and causes

SymptomUsual cause
Burrs on sheared edgesBlade gap wrong or blades dull
Bowed or twisted partsRake angle, hold-downs, or blade condition
Hold-downs don’t gripHydraulics or worn pads
Backgauge inaccurateCalibration or mechanical wear

Example service call

Cincinnati hydraulic brake losing tonnage

The call

A structural fab shop in Joliet saw a Cincinnati hydraulic brake struggle to complete bends it used to make easily.

What we did

  1. Phone. Losing tonnage usually means a pressure problem: a pump, a relief valve, or a leaking seal.
  2. On site. The main relief valve was weak and bypassing oil.
  3. Fix. Replaced the valve and set the pressure.
  4. Check. Made test bends at full tonnage.

The result. Full tonnage restored.

A typical example of how these calls go, written to show our process. It isn’t a specific customer.

Fastest response available

Same trouble with your Cincinnati?

Call with the Cincinnati model and the alarm, and a tech will tell you what we’d check first.

FAQ

Cincinnati service: questions

Have a Cincinnati question we didn’t answer? Call 773-962-0269.

Yes, including blade gap and hydraulics.

No. We’re an independent Chicago-based repair company.

Keep reading

Services for Cincinnati equipment

More brands

Other brands in the same shops

Machine down?

Get your Cincinnati back to cutting

Call with the Cincinnati model, the alarm and what it was doing. The nearest tech with a stocked van takes it from there.

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Chicago, Illinois · 773-962-0269