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ISO 6533 Clause 7 Figure 3 / 4 / 5 For Testing Forestry Machinery Portable Chain - Saw Front Hand - Guard

Categories Test Finger Probe
Brand Name: Kingpo
Certification: Calibration Certificate
Place of Origin: China
MOQ: 1
Price: To be quoted
Payment Terms: T/T
Supply Ability: 1000 pcs
Delivery Time: goods in stock
Packaging Details: safety carton pack or plywood box
Standard: ISO 6533 Figure 3 / 4 / 5
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    ISO 6533 Clause 7 Figure 3 / 4 / 5 For Testing Forestry Machinery Portable Chain - Saw Front Hand - Guard

    ISO 6533 Figure 3 / 4 / 5 for Testing Forestry machinery Portable chain-saw front hand-guard

    6.2 When the machine is designed in such a way that a type A gauge of 100 mm length cannot be inserted
    between the handle and the housing, and X0 cannot be determined using such a gauge, the gauge length
    can be shortened (though no more than necessary). Using this modified gauge, X0 shall be determined
    according to all other requirements of 6.1.

    6.3 If no contact between the gauge, the housing and the front handle can be achieved, then X0 shall be
    determined as the intersection point, transposed to the front handle along the line of sight, between the
    upper right edge of the type A gauge and a virtual surface that is created by a line of sight, parallel to the
    guide bar centre line, following the right inner surface contour of the front handle (see Figure 3)

    1 type A gauge
    2 type A gauge centreline
    3 guide bar
    4 chain saw body
    5 front handle

    Figure 3 — Definition of reference point X0 when there is no contact between the gauge and
    the front handle

    7 Front hand-guard dimensions
    7.1 Front hand-guard width, W1
    The front hand-guard width, W1, is the distance from X0, left, to the point at which the requirement for the
    front hand-guard height over the front handle, H1 and H1A, respectively (see 7.2), is not fulfilled. See Figure 4.
    The front hand-guard width, W1, shall in both cases (H1 and H1A) be at least 100 mm.

    Figure 4 — Front hand-guard width, W1, from the rear view of the machine

    7.2 Front hand-guard height over front handle, H1 and H1A
    The measurement of the vertical height H1 and H1A shall be made in a plane parallel to the guide bar
    plane and perpendicular to the guide bar centreline (see Figure 5).
    Any free play in the guide bar fixing shall be taken up by tightening the guide bar to the saw body in its
    uppermost position.
    The height, H1, above top of front handle shall be at least 20 mm.
    When the front hand-guard also activates the chain brake, this height shall be at least
    — 20 mm with disengaged chain brake (H1), and
    — 0 mm for engaged chain brake (H1A).

    1 intersection point
    2 unprotected part of saw chain
    Figure 6 — Line between X0 and rearmost part of unprotected saw chain

    China ISO 6533 Clause 7 Figure 3 / 4 / 5 For Testing Forestry Machinery Portable Chain - Saw Front Hand - Guard factory
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