Fig. 1 shows a steel component with a hole that must be accurate in both size and finish. Name the process used to enlarge and finish a drilled hole to a pr...

Assessment: Design & Technology: Product Design 9252 | Paper 1 Mock 01 | Technical, designing and making principles Subject: Design & Technology: Product Design - 9252

Question 1 Report

9252-p1-materials-reamed-hole-1

Fig. 1 shows a steel component with a hole that must be accurate in both size and finish. Name the process used to enlarge and finish a drilled hole to a precise diameter.

Answer Details

Reaming [1]. A drilled hole may be slightly undersized, inaccurate, or have a rough finish. A reamer removes a very small amount of material from the inside of the hole to bring it to a precise diameter and improve its surface finish.

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