Polishing Wheel: a Leather-Faced Wooden Disc with Glued Abrasive (Boy Mechanic, 1925)

A wheel for polishing metal: a hardwood disc faced with a band of leather belting, coated with glue and rolled in abrasive powder. Variable: the abrasive's grain. Source: The Boy Mechanic, Book 4 (1925), p. 423. Unknown: sizes, glue and abrasive. Picture: the article.

مبتدئ

Unknown

التعليمات

Cut the disc

Cut a hardwood disc of suitable thickness and diameter and drill a central hole to fit the shaft it will run on.

المواد لهذه الخطوة:

لوح خشب صلب1 قطعة

الأدوات المطلوبة:

منشار ذو ظهر

مثقب يدوي بمقبض دوّار ولقمة

Face it with leather

Soak a piece of leather belting in water until soft and stretch it until some water is out. Cut it a little longer than the wheel's circumference and taper (scarf) the ends so they overlap smoothly. Glue it round the face of the wheel.

المواد لهذه الخطوة:

شريط جلد للحزام — مدبوغ نباتيًا1 قطعة

غراء حيواني1 قطعة

الأدوات المطلوبة:

ماء

سكين الجلد

فرشاة غراء

Coat with abrasive

Give the leather a thin coat of warm glue and cover it evenly with abrasive powder of the grain you want while the glue is wet. Hang the wheel up until the glue has dried.

المواد لهذه الخطوة:

غراء حيواني1 قطعة