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SEAM MEASUREMENT

The Can Seamer forms a double seam which can be measured as under:

Seam formed by Can Seamer   Can Seaming Cover Hook

 

 DIMENSION  NOMINAL DIA.
mm (inch)
 OPERATING LIMIT
mm (inch)
Body Hook
Length
202
(52)
1.90 ± 0.20
(0.075 ± 0.008)
207.5 - 401
(60 - 99)
2.03 ± 0.20
(0.080 ± 0.008)
404 - 603
(105 - 153)
2.08 ± 0.25
(0.082 ± 0.10)
Cover Hook
Length
202 - 211
(52 - 65)
1.65 (0.065)
min.
300 - 401
(74 - 99)
1.78 (0.070)
min.
404 - 603
(105 - 153)
1.90 (0.075)
min.
Overlap
202
(52)
0.89 (0.035)
min.
207.5 - 303
(60 - 78)
1.02 (0.040)
min.
307 - 404
(83 - 105)
1.14 (0.045)
min.
502 - 603
(127 - 153)
1.27 (0.050)
min.
Tightness
202 - 401
(52 - 99)
70 - 100%
404 -502
(105 - 127)
80 - 100%
603
(153)
90 - 100%

 

NOTES:

* Operating Limit
: Equipment used under normal circumstances, combined with cans and ends (lids) manufactured to industry standards, should give seams with measurements within these limits.

* Measurements are for 3 piece standard sanitary cans, used as a reference for the canning industry.

* Seam Length greatly depends on the groove of the second operation roller and is directly proportional to the overlap, which should be approx. 60% (min.) of the total seam length.

* Double Seam tightness is ascertained by the wrinkle rating. more info 90 (0.075) min.

 

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