X-bar · R · First article

X-bar on the cell. Packets in the crate.

Detroit plant quality desk with control charts on two monitors Granite plate and height gauge on a 4140 bushing CMM probe on a machined steel bracket

Charts the cell can read. Packets that leave with the steel.

X-bar on 4140

Points from the cell, not from a lab. Limits sit on the lot that is running.

First-article packet

CMM check, plate check, and the print in one PDF in the crate.

"They put X-bar on the 4140 cell. We released the lot the same afternoon."

— Quality lead, Hamtramck plant
Quality desk on a Detroit plant floor

X-bar and R

Points from the cell

Nia Pell writes the chart. Grant Sobel walks the plate. 4140, 1018, 6061. No statistician required.

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First-article 4140 parts on kraft with calipers

First article

Packet in the crate

CMM, granite plate, and the print. The sheet leaves with the steel.

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Inspection station with 4140 parts in a tray

Gage R&R

The gauge, not the operator

Repeatability on the height gauge and the CMM. Written once. Used on every lot.

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Quality desk charts
First-article parts on kraft
Inspection tray of 4140 parts
Detroit plant quality office

Plans

Cell

Walk
On the floor:
  • X-bar on one cell
  • One first-article packet
  • Nia on the CMM
  • Grant on the plate
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Plant

$490/month
On the floor:
  • Every cell in the plant
  • Gage R&R on the height gauge
  • Packets with the crate
  • Jefferson Avenue support
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Multi-plant

Quote
On the floor:

Hamtramck, Warren, and the rest. Same charts. Same packet. Grant walks the first cell.

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See the floor

6400 E Jefferson Ave, Detroit, MI 48214
(313) 555-0366 · Mon–Fri 7:00–16:30
floor@spccloud.com

Nia Pell · Grant Sobel