1、STD-SMPTE RP 24-ENGL 1997 8357401 0002878 217 SMPTE RECOMMENDED PRACTICE RP 24-1997 Revision of RP 24-1993 Dimensions for 16-mm Motion-Picture Camera Spindles 1 Scope This practice specifies the dimensions for 16-mm motion-picture camera spindles. 2 Dimensions The dimensions shall be as given in fig
2、ure 1 and table 1 NOTES 1 Dimensions E, F, G, and H, illustrated by crosshatching in figure 1, represent the spindle shaft areas (with safety factor) on which the spool flanges rest. A minimum shaft diameter (in addition to a maximum) has been fixed to help prevent loose fit and resultant noise or t
3、ilt of spools or reels. Page 1 of 2 pages 2 Dimension K represents the diameter of the round portion or length of a side of the square drive portion of the spindle shaft, excluding locking means. Although figure 1 illustrates a four-sided square drive portion of the spindle, a two-sided (or one side
4、 and two half sides) arrangement is also acceptable. 3 The shape or action of the device for locking spools on spindles is optional, but the device should work against the full thickness of spools in the vicinity of the spindle hole. 4 The spindles specified are compatible with spools specified in A
5、NSIISMPTE 174. Figure 1 - 16-rnrn motion-picture camera spindles Copyright O 1997 by the SOCIETY OF MOTION PICTURE AND TELEVISION ENGINEERS 595 W. Hartsdale Ave., White Plains, NY 10607 Approved September 18, 1997 (914) 761-1100 STD-SMPTE RP 24-ENGL 1997 m 8357401 0002879 155 RP 24-1997 Table 1 -Dim
6、ensions I Dimensions Inches Millimeters 0.100 min 2.54 min 0.610 max 15.49 max A B 0.010 max 0.25 max 0.63 min 16.0 min 0.97 max 24.6 max C D 0.025 min 0.64 min E) 0.005 max 0.13 max FI) 0.080 min 2.03 min GI 0.630 max 16.00 max HI) 0.750 min 19.05 min J 0.800 min 20.32 min 0.310 min 7.87 min 0.315 max 8.00 max K) ) See notes I and 2. Annex A (informative) Bibliography ANSI/SMPTE 174-1 994, Motion-Picture Equipment (16-mm) - Camera Spools - 50- to 400-Ft Capacity Page 2 of 2 pages
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