FRONT ROLL, 1 IN. DIA.
[Ill.u.s.tration]
Allowance has been made for doffing, etc. Filling Twist used, 3.25 x square root of number of yarn.
{160}
[Ill.u.s.tration]
HEAD END GEARING RING SPINNING FRAME
{161}
[Ill.u.s.tration]
SECTIONAL VIEW RING SPINNING FRAME
{162}
[Ill.u.s.tration]
SIDE VIEW RING SPINNING FRAME
{163}
SPINNING FRAME.
ALPHABETICAL REFERENCES TO DRAWINGS.
A Driving Pulley, 8 in. to 18 in. dia., advancing by 1/2 in. increments; 3-1/4 in. face.
A1 Cylinder Gear, 17, 21, 29 and 39 T.
A2 Cylinder, 7 in. dia.
B Jack Gear, 72, 76, 86, 96 and 106 T.
B1 Twist Change Gear, 25-67 T., advancing by one tooth.
C Intermediate Gear, 156 T. for 36-in. frame; 171 T. for 39 in. frame.
C1 Builder Motion Driving Sprocket Gear, 8 T.
D Front Roll Twist Gear, 84 T.
D1 Front Roll Draft Gear, 21 and 27 T.
D2 Front Roll, usually 1 in. dia.; sometimes 1-1/16 in. dia. and 1-7/8 in. dia.
E Crown Gear, 72, 90 and 108 T.
E1 Draft Change Gear, 32-59 T., advancing by one tooth.
F Large Back Roll Gear, 79 and 89 T.
F1 Small Back Roll Gear, 28 T. for 7/8 in. dia.
Middle and Back Rolls, 29 T. for 15/16 in. dia.
Middle Roll, 1-1/16 in. dia. Back Rolls.
F2 Back Roll, usually 7/8 in. dia., sometimes 11/16 in. dia.
and 1-1/8 in. dia.
G Broad Middle Roll Intermediate Gear, 48 T.
H Middle Roll Gear, 26 T. for 7/8 in. dia. Middle and Back Rolls, 24 T. for 15/16 in. dia. Middle and 1-1/16 in. dia. Back Rolls.
I Whorl, 3/4 in., 13/16 in. and 7/8 in. dia.
J Carrier Sprocket Gear, 10 T.
K Builder Motion Worm Shaft Sprocket Gear, 12, 14, 16, 18, 20, 22 and 24 T., dependent upon the Number of Yarn.
L Carrier Sprocket Gear, 7 T.
{164}
SPINNING FRAMES.
DRAFT CALCULATIONS.
TWIST CALCULATIONS.
[Ill.u.s.tration]
When figuring the Ratio of Whirl Speed to Cylinder Speed we add 1/3 inch to the diameters to allow for the band.
{165}
[Ill.u.s.tration]
In our production tables on pages 156 to 159, the allowance for doffing, waste, etc., varies with the numbers of yarn, the percentage loss being greater for coa.r.s.e than fine work.
{166}
RING SPINNING FRAME, DRAFT TABLE.
FRONT ROLL 1 IN. DIAM. BACK ROLL 7/8 IN. DIAM.
[Ill.u.s.tration]
{167}
RING SPINNING FRAME, DRAFT TABLE.
FRONT AND BACK ROLLS SAME DIAMETER.
[Ill.u.s.tration]
{168}
RING SPINNING FRAME, TWIST CONSTANTS.
1 IN. DIA. FRONT ROLL. 7 IN. DIA. CYLINDER.
FRONT ROLL GEAR, 84 T.
[Ill.u.s.tration]
{169}
RING SPINNING FRAME, TWIST CONSTANTS.