Base construction ZG. ZD/ZDR seals limit switch (no view) base construction. fixing plate

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Abraham McDaniel
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ydraulic Unscrewing Device tandardized ystem for Molding nternal hreads D-M- urope 2/0/1 Metric-rack design ff -the-shelf

provide maximum stroke lengths : 0 1 00 : 0 01 0 dme_oesterreich@milacron.com CZ : 1 + 2 11 : 0 + 1 11 dme_cz@milacron.

com K : 0 1 + 2 11 : 0 0 + 1 11 dme_cz@milacron.com : +32 (0) 1 2 : +32 (0) 1 0 1 1 dme_benelux@milacron.

com : + 331 13 +32 1 21 0 2 : + 331 1313 +32 1 0 1 2 dme_polska@milacron.com UK : + 1 30 3 : + 1 30 3 dme_uk@milacron.

1 ydraulic Unscrewing Device tandardized ystem for Molding nternal hreads D-M- urope 2/0/1 Metric-rack design ff -the-shelf replacement parts implifies mold design pplicable to different design styles echnical and application support ack sized to provide maximum stroke lengths : : dme_oesterreich@milacron.com CZ : : dme_cz@milacron.com : : dme_france@milacron.com N : +31 (0) 1 : +31 (0) 2 dme_benelux@milacron.com K : : dme_cz@milacron.com : +32 (0) 1 2 : +32 (0) dme_benelux@milacron.com D : (0) : (0) dme_normalien@milacron.com U : : dme_hungary@milacron.com : : dme_polska@milacron.com UK : : dme_uk@milacron.com C : : dme_schweiz@milacron.com : : dme_iberia@milacron.com : 0 3 : 0 3 dme_italy@milacron.com : 00 : 01 dme_iberia@milacron.com ther Countries : : dme_export@milacron.com

ZD/ZD 2 Z 1 1a 1b 2 1a ZU Z ZU Z Z 1 Z Z base

Z Z Z Z Z 1b Z rack gib guideway fixing plate 3 ZZ Z

construction Z D 2 K 1 C= N M C ø 1 ø 0 ø 22 ø 3 0 0

Mx Mx10 3, 22 3,0 3 2 13 1/2 M10x Mx10 0,0 0 3 2,0 2

ZU 2 ZU 0 ZU 3 3, nd caps - out ZU Z 2 0 Z 2 Z 2 Z 0

2 ZD/ZD 2 Z 1 1a 1b 2 1a ZU Z ZU Z Z 1 Z Z base construction end caps - out end caps - in flange 3 Z Z Z Z Z Z 1b Z rack gib guideway fixing plate 3 ZZ Z ZD/ZD seals Z limit switch (no view) ase construction Z D 2 K 1 C= N M C ø 1 ø 0 ø 22 ø D K M N / Mx Mx10 3, 22 3, /2 M10x Mx10 0, , / 22 Mx0 Mx1 nd caps - in Z 1 21, 21, 3,0 2,0 3 ZU 2 ZU 0 ZU 3 3, nd caps - out ZU Z 2 0 Z 2 Z 2 Z 0 0 Z 0 Z 0 Z 3 Z / 1/2 3/ 2 2 Z 2 Z 0 Z ,,,0 1/ 1/2 3/ 3 3

Y * langes Z Y ersion 1 ersion 2 Z 2-1 Z 2-2 Z 2-3 Z 0-1 Z 0-2 Z

for 2, 10, ø 0 3,0 11,0,0 0 1,0 2 x M x 3 x M x x M x 2 x M10 x 3

1 M1 x acks ZZ Modulus for - * itch line of rack to center of

0-00/1, ZZ 0-/1, ZZ 3-/2,0 ZZ 3-00/2,0 /2 3, ø 0 2 3, 0, ibs Z /2

1,2 M10 x M x 0 * * Distance to center of hydraulic cylinder Z 2-

uideways Z 3 Note: wo guideways are required per ack or per ib.

3 Y * langes Z Y ersion 1 ersion 2 Z 2-1 Z 2-2 Z 2-3 Z 0-1 Z 0-2 Z 0-3 Z 3-1 Z 3-2 Z 3-3 Z * is the thread dimension ersion 3 Y Z : for 2, 10, ø 0 3,0 11,0,0 0 1,0 2 x M x 3 x M x x M x 2 x M10 x 3 x M10 x x M10 x 1 x M x M1 x 2 x M x M1 x 3 x M x M1 x acks ZZ Modulus for - * itch line of rack to center of hydraulic cylinder ZZ 2-00/1,0 ZZ 2-/1,0 ZZ 2-00/1,2 ZZ 2-/1,2 ZZ 0-00/1, ZZ 0-/1, ZZ 3-/2,0 ZZ 3-00/2,0 /2 3, ø 0 2 3, 0, ibs Z /2 * Modules M x 1, ,2 2 1,0 3,0 3 2,00 0,0,, 100,0 1,2 M10 x M x 0 * * Distance to center of hydraulic cylinder Z 2- Z 0- Z 3-00 /2 ø 0 2 /2-0 3,3 3,0, M x M10 x M x 0 3 uideways Z 3 Note: wo guideways are required per ack or per ib. Z 2-0 Z 2- Z 2- Z 0-0 Z 0- Z 0- Z 3- Z 3- ø 0 C M x10 2 M x M x1

4 ixing plates Z eals (kit) ZD Kit: eals ZD + Mounting tools ZD b M a a b Z 2 0 Z 0 ø 0 0 Z ZD 2 ZD 0 ZD 3 ZD 002 ZD 000 ZD 003 imit switch Z. ncl.: 2 M x 1 D 3 x 1 1 x 1 M Din ~ for M x 2 ncluded Ca. 0 2 nstallation details for imit witch Z-2/ troke M x M _3 or gear information please contact D-M- Calculation example. troke a. equired revolutions (thread core) = thread height + safety thread lead (min 0, t) { = mm + 0, rev. =, rev. 3 mm b. 1. equired stroke (mm) = pitch circle x p x rev. = mm x 3,1 x, rev. = 2 mm f required stroke is too long, a cog wheel transmission gear should be used 2. ength of rack: b2 = + Y + b1 ttached to mold Z 2/0 c. tripper stroke (mm) = cylinder stroke - required rack stroke = mm - 2 mm = mm tationary hydraulic cylinder Moving rack pitch circle -itch dia. x π pur gear Unusable space Y Max. product distance b2 b1 > π D x rev. required stroke to unscrew caps

5 Calculation example. Control Cam calculation d. Moving cam ( ) tan α = lead dia. pitch circle x π tan α = 3 mm = 0,031 mm x 3,1 α = 1 2 e. tripper cam (ß) tan ß = tripper height tripper stroke tan ß = mm = 0,0231 mm ß = 3 00.D. of threads (Major hread dia. of the core) M open Closed osition oth stripper plates move up together at the same rate due to angle α ull pen osition nti-otational tripper late or ump moves up at faster rate due to angle ß and separates from the Main tripper late moving at rate due to angle α closed hread height 3 hread lead nti-rotational stripper plate nti-rotational stripper plate Main stripper plate α 1 '2" ß 3 00'" ump lift ib Main stripper plate tripper plates pushed up by gib angle Moving hydraulic cylinder pushes gib and rack hreads get rotated pur gear tationary hydraulic cylinder body Calculation example Moves main stripper plate 2 C. Unscrewing force* f. esidual pressure (bar) 1/100 of max. injection pressure = 1000 bar 10 bar 1 N/mm2 100 Workingstroke troke ump g. ffective core surface area (mm2) = thread dia. x p x thread height x 2* = mm x 3,1 x mm x 2 = * 10 mm2 * - 2 x height for developped surface ( ) * - frontal area is neglected h. Unscrewing torque (Nmm) = olding pressure x surface x thread = radius = 1 N/mm2 x 10 mm2 x 10 mm = 100 Nmm kn eturn ack ack Ø pitch dia. i. Unscrewing force rack (kn) = unscrewing torque x number of cores radius pitch circle = 100 Nmm x = 01 N =,02 kn 1 mm k. ydraulic force (kn) = Unscrewing force x 1, =,02 kn x 1, =,03 kn (0 % safety, hence x 1,) kn bar bar bar 3,,,,, 10,0, 1,1 1, 1, kn ø 0 2, 31,1 3, 3,, Dimensions only valid for above mentioned example. bar ø 1 2,3 2, 3,,1, ø 22 kn,0, 10,,2 13,2 ø 3 1, 21,0 2,2 2,3 31, *hese figures should only be used as a guideline as many other factors will affect the calculation. (Material, variation of dimensions, material shrinkage, core surface area, temperature, lubricant, etc...)

6 pplications Without guiding thread with cam equired D-M- Component ist ydraulic Cylinder Z 1 pc. ixing late Z 2 pcs. lange-ersion 3 Z 1 pc. acks ZZ 2 pcs. ibs Z 1 pc. uideways Z pcs. With guiding thread equired D-M- Component ist ydraulic Cylinder Z 1 pc. ixing late Z pcs. lange-ersion 1 Z 1 pc. acks ZZ 1 pc. uideways Z 2 pcs. afety rotection ox afety rotection ox C With guiding thread equired D-M- Component ist ydraulic Cylinder Z 2 pc. ixing late Z pcs. lange-ersion 3 Z 2 pc. acks ZZ 2 pcs. uideways Z pcs. D ong guiding cores equired D-M- Component ist ydraulic Cylinder Z 1 pc. ixing late Z 2 pcs. lange-ersion 2 Z 1 pc. ibs Z 1 pc. uideways Z 2 pcs. afety rotection ox afety rotection ox DM urope C... chalienhoevedreef D, -2 Mechelen, elgium - rade egister Mechelen, rices in U per piece. ubject to change without prior notice. or conditions of sales and price info see

CTV series CHARACTERISTICS LINEAR UNITS

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