(solid profile) Shore D 55D,,,,,,,, Shore D 47D :, :, : :, ( ),,,,, (hose) (tubing), (belt), (supercool) (extruded profile), (rope), (sheeting), (film) 1 2,
(polymer),, (screw), 2, (vent), (barrel), ( ), (thyristor drive) DC (torque) (break plate)/ (screen pack) (disc), (overhead) (feed throat) (bearing) (hopper), 2
/, 4, (thermocouple),, ( ),, 3 ( ), 24:1 25-35:1, ( ) (degrade) 010%,,,,,, PVC,, 3, 1 (L/D)24:1,,, (flight) 64mm(25 ) 01mm(0004 ), (barrier), ( ) 3
(head) ( ),, (, ), (dead spot) (, ),,,, 80 (mesh),, 40, (9-17 ) (120 150 ),, ( (head clamp)), 4
,,, (bridge) needle pyrometer, (purge),,, 25kg(55lb), 500kg(1,102lb) (chart recorder),,,,, (front end),,,,, on-off 3 C(38 F),,,,,, (blow-back),,, ( ),,,, 5
, 010%,,,,,,,, 2 (ASTM D570 ) (5556) 3,,, ( ),,, 4 6
,, ( ), (cold spot)( (plug)) (flange) ( ) 10-20 C (50-70 F) (22 ),,, 20-30,,,, 10 / (22 ) 30, 30-60,, 30-60, (5-10 /),, (clear), needle pyrometer, ammeter (gauge), 7
30, (wire brush),, (torch), ( ) (bed),, (, ),, (, - ) 50% (cross-linked),,,,,,,,,, /,,,,,,, 50%, 8
V, (22 ), ( ), ( ), (prototyping),, needle 6-12mm(025- pyrometer 05 ), 5-15 C (41-60 F) 3-5mm(012-02 ),,, 2,,, (drow-down),,,, /,,,,,,,, (, U (rib) ), (haul-off speed),,,,, :,, 9
(stretching) (annealing) PVC,,,, (OD)6mm(025 ) (05-10mm[0020-0040 ]) (differential pressure sizing) ( (vacuum-sizing) - (3-5mm[012-02 ]) ), Teflon 5,,, (take-off rate), ( ),, (mandrel) 5-10, (monofilament) (manostat) PBT ( ) (draw-down),, 15-20 C (60-70 F) 2, 4:1 10:1 10
, 6mm(025 ),, 6 (rifling), 3-15% (shrinkage) 40D 7 11 (water ring), ( 25m/[80ft/] ) 3-5%, ( 12mm[05 ] ) 10-15% 35 40 Shore D,,
1 20mm(08 ) (25m/[80ft/] ),,, 2-25 (cable), (wire), (25m/[80ft/] ) (cross-head),, (brake) 15-2 (tensioning device) payoff( ),, 2, hauloff (capstan) 90%, 30m/ 8mm(03 ), 6mm(02 ) ( ), ( ) =8 20 = 16mm (,, =6 18 = 11mm ), 4:1 (draw-down ratio) (,,, ) 3:1 6:1 8 (draw-down ratio) 5% (E), (05mm(0020 ) ), 1-5% ( ), 15m(49ft) (F),,, 12
() 9,, (draw-down) () (DDR) 5-20:1, DD 2 -DM 2,, (, ) DDR=, DC 2 -DW 2,, DD= DM= DC= (, ) DW=,,, 40 (, ) (10-20 C [50-68 F] ), (, 60 C [140 F]), (,, ),, 13
,, (gap), (cast film),, ( ), (roll), 10, - - - - (yield strength) 0013mm(00005 ) - - - / -, - - ( - ) ( ) -,, -, 0 C (32 F) (neck-in), (lip),, ( 35D 40D) 14
50 C (122 F), 47D-63D 80 C, (176 F), 72D 100 C (212 F) 11 3 4 (sheeting) (fabric coating) 025mm(0010 ), 05mm(002 ), (quench roll),, 12 11 3 (roll force),, Teflon FEP 10-20% 300-600mm(12-24 ) 20-40 C (68-104 F) (puddle), (nip),,,,,,, 15
13, 3:1 250micron(001 ), 35D 40D 28:1 150micron(0006 ), Kemamide B 1 Crodamide SR 2 (antiblocking agent),,,,,, 16
, Alcryn, Rynite, PBT, PET,,,,, PVC,,, PVC 17
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