Adjustable Rack Brackets: Make One Modular Rack Fit Larger Parts

Movable rack brackets let one small staging rack fit different part sizes while limiting inventory to one pallet.

Creator
American Precision Engineering
Company
American Precision Engineering
Wastes
Problem

Kits waiting for bought out material, parts, or hardware need to be staged before welding, but fixed rack spacing may not fit larger parts and oversized storage can invite excess inventory.

Solution

The team made modular racks themselves with brackets that adjust up or down for bigger parts, and sized each rack small on purpose so it only fits a pallet.

Lean principle

Make a proven storage design adjustable, visible, and hard to overfill.

What is a Adjustable Rack Brackets?

An adjustable rack bracket is a movable support point on a rack. Instead of fixing every shelf or support position for one part size, the bracket can move up or down when a larger part needs space.

In this example, the rack stages formed parts and hardware while the kit waits to be completed before going to welding. The same rack design can be reused across different part sizes because the bracket positions are modular.

The rack is also capacity limited. It is made small on purpose so it only fits a pallet, turning the pallet space into a visible inventory limit instead of open storage.

Why it works

The rack reuses one proven staging design while adding value to the next process and mistake-proofing both fit and inventory control.

  • Knowledge reuse: A modular bracket pattern gives the team a repeatable rack idea instead of redesigning storage whenever a larger part appears.
  • Added value: The rack supports kit completion before welding, so storage serves the flow of ready work rather than becoming a general holding area.
  • Mistake-proofing: Movable brackets reduce the chance that a fixed opening will block a larger part, and the one-pallet size makes overfilling harder.

Evidence: The transcript says the team made the racks modular so the brackets can adjust up and down for bigger parts, and made them small on purpose because excess inventory is waste.

How to create this idea

  1. 1
    Choose the staging point

    Find where parts or kits wait before the next process, such as before welding. Confirm what must be present before the kit can move on.

  2. 2
    List part sizes

    Identify the normal and larger parts that need to fit on the rack. Use real parts or current kits, not guesses.

  3. 3
    Add movable brackets

    Build the rack with bracket positions that can move up or down. Keep the adjustment simple so the same rack can be reused for different part sizes.

  4. 4
    Set the capacity limit

    Decide how much inventory the rack should allow. If the rule is one pallet, size the rack so only that pallet amount fits.

  5. 5
    Make the pattern standard

    Copy the same modular bracket layout on future racks. This makes the storage solution visible and reusable instead of relying on local fixes.

  6. 6
    Test before releasing

    Load a normal kit and a larger part. Check that the parts fit, the pallet limit is obvious, and the kit can be staged for the next operation.

Best used when

  • varied part sizes
  • kit staging
  • before welding
  • inventory limits

Less useful when

  • single part size
  • temporary storage
  • unlimited buffer
  • fragile parts

Products and tools mentioned

  • Hardware: Included in the staged kit before it moves to welding.
  • Rack brackets: Used as adjustable support points that move up or down to fit larger parts.
  • pallet: Used as the physical capacity limit for the rack.

Tags

Problem
excess inventorypoor fitwaiting kits
Lean methods
mistake-proofingstandardizationvisual limits
Application
material handlingkittingwelding
Source

Captured from American Precision Engineering at American Precision Engineering in the video "Tour of APE's lean shop", at 00:07:10. On Lean Toolbox. Watch the original video on YouTube ↗

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