UMS Front blank part

blank is the bare connector to build a holder on; adapter bolts to a UniHolder

Allowed: 45 – 60

Clearance between front and back part, on every mating face · Allowed: 0 – 0.6

Dimple for the back part's detent

Width across the part · Allowed: 31 – 120

Height. 0 = auto: enough socket to engage a 48 rail · Allowed: 0 – 200

Thickness front to back. 0 = auto from the fixing · Allowed: 0 – 30

Corner radius · Allowed: 0 – 12

Chamfer where the part meets the bed · Allowed: 0 – 2

V1's own front parts carry about 3 · Allowed: 1 – 20

pilot is a blind hole for a self tapping screw, and needs no nut at all

Bolt clearance diameter. The UniHolder's back holes are 4.5 · Allowed: 3 – 8

Nut across flats: 7.0 is M4, 8.0 is M5 · Allowed: 5 – 14

Allowed: 1.6 – 6

Material between the nut and the holder. The nut bears on this · Allowed: 0.8 – 4

Which side edge the nut goes in from

Room past the nut for the end of the bolt · Allowed: 0 – 6

Bolt columns and rows · Allowed: 1 – 4

Allowed: 1 – 6

Allowed: 0 – 120

Row pitch. 0 = derived from holder_h below · Allowed: 0 – 200

of 60, 80, 100 and 120, so the pitch is this minus 15.69 · Allowed: 0 – 400

where a UniHolder's lower back hole sits when the two are stood foot to foot · Allowed: 0 – 200

Play along the slots, for print tolerance and a pitch that is a hair out · Allowed: 0 – 20

Material left behind the nut · Allowed: 0.8 – 4