Nylon Webbing: 1-inch Herringbone Twill to MIL-W-4088

Nylon webbing is a narrow, dense strap woven from nylon 6,6 yarn. The US military specification MIL-W-4088 sets each type exactly. Its Type II is 1 inch wide, woven on a shuttle loom in a 2 up, 2 down herringbone twill that reverses once at the centre, with at least 134 warp ends and 34 picks per inch. It must weigh no more than 0.42 oz per yard and hold at least 600 lb. The webbing is left untreated and unbleached. The picture: webbing rolls (Wikimedia Commons, public domain).

متوسط

2 days

التعليمات

Twist the yarns

Use bright, unbleached nylon 6,6 multifilament: 420 denier of 68 filaments for the warp, 840 denier of 140 filaments for the filling. Give each yarn at least 2½ turns per inch.

المواد لهذه الخطوة:

ألياف النايلون13 g/m

الأدوات المطلوبة:

دولاب الغزل

ميزان ذو كفّتين

Warp 134 ends

Wind at least 134 warp ends (single yarns) and thread them for a 2 up, 2 down herringbone twill with one reversal at the centre of the strap, 1 inch wide.

الأدوات المطلوبة:

إطار السداة

نول أرضي بدوّاسات

مسطرة

Weave 34 picks per inch

Weave with a shuttle, at least 34 picks of filling per inch. Keep the width at 1 inch ± 1/32 and the thickness at .025-.040 inch.

الأدوات المطلوبة:

نول أرضي بدوّاسات

مكوك قاربي

مسطرة

Check and roll

A yard must weigh no more than 0.42 oz (13 g per metre). The specification puts the webbing up in rolls of 90 to 110 yards and asks a breaking strength of at least 600 lb.

الأدوات المطلوبة:

ميزان ذو كفّتين