Good mechanical bones,
dated electronics.
Most legacy machines are mechanically sound — it's the controls, drives and HMIs that have aged out. Apex retrofits modernize the brains, not the body, at a fraction of replacement cost.
The mechanical was right. The controls were wrong.
A new machine costs five to ten times what a control retrofit does, and rarely runs better. We modernize what's already running.
Some of the strongest machinery on a shop floor is decades old — built when iron was thicker, gearboxes were over-spec'd and frames were welded to last. The controls, however, age in dog years.
An Apex retrofit replaces obsolete PLCs, motor drives, sensors and HMIs with modern, supported equipment. We re-program the machine to take advantage of new capabilities — closed-loop control, recipe management, networked diagnostics — without changing what already works.
Most retrofits pay for themselves in a single year of avoided downtime, scrap reduction and parts availability.
Scope a Retrofit →
The new stack.
Modern, vendor-supported components selected for parts availability and warranty in the U.S.
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— 01
PLC + I/O.
Replace obsolete logic with current Allen-Bradley, Siemens or equivalent — programmed for predictable diagnostics.
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— 02
Drives.
Modern VFDs and servos for smoother motion, regenerative braking and proper closed-loop control where it matters.
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— 03
HMIs.
Touchscreens with recipe management, alarming and audit logs — so operators stop guessing and maintenance stops chasing.
Tell us what's still running
If your maintenance team is stocking spares from eBay, it's time. We'll scope the retrofit, schedule the install around your production calendar and bring the machine forward without losing what already works.