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Home Standards IEC 60745-2-5 Hand-held motor-operated electric tools-Safety-Part 2-5:Particular requirements for circular saws

IEC 60745-2-5 Hand-held motor-operated electric tools-Safety-Part 2-5:Particular requirements for circular saws

Scope

This clause of Part 1 is applicable, except as follows:

Addition:
This standard applies to all types of circular saws. Circular saws hereinafter will be referred to as saws. This standard does not apply to saws used with abrasive wheels.

Normative references

This clause of Part 1 is applicable.

Definitions
This clause of Part 1 is applicable, except as follows:

Additional definitions:

circular saw: tool intended for cutting various materials with a rotating toothed blade

cutting edge zone : the outer 20 % of the blade’s radius

guide plate : the part of the saw resting on the material to be cut(see Figure 113)

lower guard : movable blade-covering device which, in the closed or rest position, is generally situated below the guide plate

upper guard: fixed and/or movable cover of the blade situated above the guide plate

riving knife : metal part placed in the plane of the saw blade with the intent of preventing the workpiece from closing on the rear part of the saw blade

saw with outer pendulum guard: saw having a lower guard which swings outside the upper guard(see Figure 101)

saw with inner pendulum guard: saw having a lower guard which swings inside the upper guard (see Figure 102)

saw with tow guard: saw having a lower guard which slides along the upper guard (see Figure 103)

kickback: sudden reaction to a pinched, bound or misaligned saw blade, causing an uncontrolled saw to lift up and out of the workpiece

plunge type saw: saw having only an upper guard into which the saw blade retracts when not in use (see Figure 104)

LISUN following instruments fully meet IEC 60745-2-5 Hand-held motor-operated electric tools-Safety-Part 2-5:Particular requirements for circular saws: