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Illustration 1 | g01335559 |
(1) Rod end port (2) Head end port (3) Boom cylinder (4) Tube (5) Rod (6) Snubber (7) Piston (8) Stick cylinder (9) Snubber (10) Bucket cylinder |
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Illustration 2 | g01335561 |
Snubber operation (6) Snubber (11) Passage |
When boom cylinders (3) or stick cylinder (8) moves close to the end of the extension stroke, passage (11) is restricted by snubber (6) . The movement of the piston rod slows down before the piston rod stops.
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Illustration 3 | g01335562 |
Snubber operation (retracting rod) (9) Snubber (12) Passage |
When stick cylinder (8) moves close to the end of the retraction stroke, passage (12) is restricted by snubber (9) . The movement of the piston rod slows down before the piston rod stops. The shock load is absorbed when the piston is slowed down.