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© Copyright Mastip Technology Limited. Information subject to alteration. V3.20  

www.mastip.com

System Selection Guide

48

MVG55 Headed Pin Valve Gate System

1. 

 

MVG55 FEATURES

Mould Design

•  Available to suit BX Nozzle in 27 Series

•  Standard minimal pitching is 95mm     – 

can be modified to fit 74mm

•  Backplates 55mm minimum

•   Easy machining of the pockets

•  Pneumatic circuit integrated with  

the backplate

Moulding Benefits

•  Reduced moulding pressure

•  Increased moulding window

•   Lower mould filling stress results  

in better part quality

•  Reduced gate cooling requirements

Installation and Maintenance

•  Easy machining and installation

•  Easy seal replacement

•  Valve pin height is adjustable

•  Comes with Headed Pin, with 

incremental adjustment

Blanking Plate Screw

1

Blanking Plate

2a

2b

Blanking Plate Seal

3

Pin Locking Screw

4

Valve Pin Adjustment Packer

5a

Valve Pin Adjustment Packers

5c

5b

5d

Valve Pin

6

Piston Main Seal

7

Piston

8

Piston Rod Seal

9

Circlip

10

Cylinder

11

Cylinder End Seal

12

Locating Spacer

13

Valve Pin Seal

14

MVG55 Headed Pin Valve Gate System

Содержание Hot Half System

Страница 1: ...We make things better www mastip com System Selection Guide Your Complete Hot Runner Configuration Guide...

Страница 2: ...Copyright Mastip Technology Limited Information subject to alteration V3 20 www mastip com System Selection Guide 2...

Страница 3: ...try Selection Gating Options MX BX SX FlowLoc Gating Options YCN Multi Gates YCN Nut Multi Gates MX Nozzle BX Nozzle SX Nozzle FlowLoc Range MJ Nozzle Gating Options MJ VeriShot Single Valve Gate Syst...

Страница 4: ...ection Guide 4 Hot Runner System Overview Standard Hot Runner Configuration KEY KEY Valve Gate Assembly Back Plate Manifold Assembly Manifold Plate Nozzle Assembly Cavity Plate Supplied by Customer Co...

Страница 5: ...iderations Precise temperature control of the molten plastic Balanced flow to all cavities for even part filling Nozzle sizing for maintaining sufficient molten material flow Gate detail required to c...

Страница 6: ...ssociated table select the appropriate tip grade Tip Grade G1 G2 G5 SIX Using the flow chart Nut Grade Selection on page 16 and the associated table select the appropriate nut grade Nut Grade H1 H5 Us...

Страница 7: ...7 Copyright Mastip Technology Limited Information subject to alteration V3 20 www mastip com System Selection Guide Notes Notes...

Страница 8: ...alf use Confined gate area Close cavity pitching MX Front loading heater for Hot Half use Close cavity pitching BX Cost effective solution Special length nozzles available Robust heater design Limited...

Страница 9: ...09 13 16 19 27 FlowLoc Heat conducting sleeves with embedded heaters Threaded base for leak proof operation BM Multi Gates manifold range Close cavity pitching Economical and robust coil heater SM Mul...

Страница 10: ...Front loading required Close cavity pitching Sensitive material Select MX Sensitive materials POM EVA PVC Soft2 Notes 1 These examples are for typical applications only 2 Rigid PVC is not recommended...

Страница 11: ...Flow Rate Shot Weight Fill Time No Nozzles The following may require larger flow channels 1 Shear sensitive material 2 Thin wall construction 3 Long flow lengths 4 Filled materials Select one series...

Страница 12: ...lengths greater than this must be considered thin wall and the nozzle series selected accordingly 1 Additives flow length and thin wall sections all reduce the effective flow rate and shot weight To...

Страница 13: ...te Use minimal gate land q and gate diameter G Tip Grade Selection Tip Grade Selection Tip Grades Tips are manufactured in various grades designed for different applications and wear resistance Tip Gr...

Страница 14: ...gate required Is material sensitive to separation Long fibre filled material Use TT Is Valve Gate an option No Valve Gate Crystalline material i e narrow moulding window Use TV No Use OT Use OV Use OV...

Страница 15: ...s Tip Styles Thermal Gate Tip Styles Extended Torpedo Tip TT 10 Extended Torpedo Tip TT 5 Multi Hole Torpedo Tip TT Single Hole Torpedo Tip IT Extended Single Hole Torpedo Tip IT 5 Open Tip OT Multi G...

Страница 16: ...Use H5 Nut Grade Selection Nuts are manufactured in various grades designed for different applications and wear resistance Nut Grade Recommended use Manufactured Material Nut Style Options H1 Default...

Страница 17: ...e area Crystaline material Go to Gate Geometry Selection The BE bush nut has a larger contact area that can be tuned to provide a correct cooling rate for the application Select Sprue Nut SN SX SL Sel...

Страница 18: ...ll leave a circular witness mark on part Modify Nut must be modified to suit application d4 Series Standard Nut d4 Retro Nut d4 13 10 13 1 16 12 16 1 19 15 19 1 27 23 27 1 Bush Nut BN Bush Nut Full Co...

Страница 19: ...NOZZLE LENGTH TIP EXTENSION OPTIONAL TIP GRADE EXAMPLE OF A FINAL ORDER CODE G1 H1 G2 H1 G5 H1 G5 H5 5 10 INCH BX25 ONLY 137 187 237 287 337 METRIC 045 055 065 075 095 115 130 145 175 225 275 09 13 1...

Страница 20: ...Not available in X27 4 Not available in H5 TIPS Grades Nut Style Features Plastic Refer to page 21 G1 G2 G5 ONT BN BE SN SX 4 SL 4 Gate Quality Flow Rate Flow Marks Easy Medium Difficult Thermal Gate...

Страница 21: ...PEI PP FILL G5 H5 G5 H5 G5 H5 G5 H5 G5 H5 G5 H5 G5 H5 G5 H5 PA FILL G5 H5 G5 H5 G5 H5 G5 H5 G5 H5 G5 H5 G5 H5 G5 H5 SAN FILL G5 H5 G5 H5 G5 H5 G5 H5 G5 H5 G5 H5 G5 H5 G5 H5 PA66 FILL G5 H5 G5 H5 G5 H5...

Страница 22: ...mended for materials with high filler 0 15mm Recommended for materials with medium filler 0 10mm Good balance between gate cosmetics and life 0 05mm Strong cavity steel required Cooled inserts require...

Страница 23: ...23 Copyright Mastip Technology Limited Information subject to alteration V3 20 www mastip com System Selection Guide Notes Notes...

Страница 24: ...SX FlowLoc 13 16 19 27 13 16 19 27 13 16 19 27 13 16 19 27 13 16 19 27 13 16 19 27 13 16 19 27 13 16 19 27 L nozzle L nozzle L nozzle 5 0 20 0 35 0 d4 d4 d4 d4 d4 d4 d4 d4 5 0 d4 5 0 10 0 Gating Optio...

Страница 25: ...16 19 27 13 16 19 27 Axial Gate Side Gate Gating Options YCN Multi Gates 13 16 19 27 20 0 35 0 d4 d4 d4 d4 d4 5 0 d4 5 0 10 0 YCN 20 YCN 35 Gating Options YCN Gating Options Multi Gates Standard Seal...

Страница 26: ...equired Tipless nut provides open flow moulding Minimises melt shear Lowers the overall pressure drop through the gate Provides a broad repeatable moulding window Applications Moulding applications th...

Страница 27: ...NOZZLE LENGTH GATE PROFILE POLYMER CLASSSIFICATION YCN 13 16 19 27 045 055 065 075 095 115 130 145 175 225 275 P7 P4 N3 U Unfilled F Filled EXAMPLE OF A FINAL ORDER CODE BX BX YCN 27 175 P4 F Yes Yes...

Страница 28: ...e Well Diameter Gate Well Diameter Gate Well Diameter Gate Well Diameter Features Axial multi gates allow close cavity pitching with a pitch circle diameter PCD from 10 00 to 22 00 with the ability to...

Страница 29: ...de Multi Gates Multi Gates Selection Number of gates required not included in flow chart contact Mastip Multi Gate Selection Thermal Gate Side Gate Multi Gate 1S 2S 3S 4S Alternate Solution Axial Gate...

Страница 30: ...ozzles due to optimum flow characteristics Operation Wide moulding window Excellent temperature profile and thermal stability Operates at low moulding pressure and temperature Optimum cycle times due...

Страница 31: ...1 5 L nozzle 12 0 A F 24 A F 26 A F 36 12 0 L nozzle 15 0 L nozzle 6 0 28 0 7 0 30 0 8 0 40 0 MX13 MX16 MX19 MX Nozzle MX Nozzle Series MX Standard Lengths Series L nozzle 13 Series 45 55 65 75 95 115...

Страница 32: ...zle lengths across the range Ability to mould large parts with smaller nozzles due to optimum flow characteristics Operation Wide moulding window Excellent temperature profile and thermal stability Op...

Страница 33: ...0 7 0 38 0 8 0 40 0 12 0 L nozzle 10 0 27 0 12 0 30 0 15 0 33 0 A F 45 20 L nozzle 23 0 43 0 12 0 50 0 BX13 BX16 BX19 BX27 BX Nozzle Series BX Nozzle BX Standard Lengths Series L nozzle 13 Series 45 5...

Страница 34: ...arate heater for the nozzle head for maximum temperature control Wide moulding window Excellent temperature profile and thermal stability Operates at low moulding pressure and temperature Optimum cycl...

Страница 35: ...0 38 30 4 8 L nozzle 20 26 7 5 A F 46 5 38 50 30 12 L nozzle 25 25 7 5 7 4 32 7 26 A F 36 40 18 5 24 SX Nozzle SX16 SX19 SX27 SX Nozzle Series SX Standard Lengths Series L nozzle 13 Series 45 55 65 75...

Страница 36: ...aters for exceptional thermal performance Threaded nozzle screws directly into the manifold providing a secure leak proof solution Capable of processing a wide range of polymers including abrasive fil...

Страница 37: ...Range FlowLoc Range FlowLoc Standard Lengths Series L nozzle 16 Series 75 95 115 130 145 175 19 Series 75 95 115 130 145 175 27 Series 75 95 115 130 145 175 225 275 Lengths can be customised to suit...

Страница 38: ...improved cooling performance and gate strength Optimal flow characteristics for ease of moulding Close cavity pitching Operation Wide moulding window Excellent temperature profile and thermal stabili...

Страница 39: ...ration V3 20 www mastip com System Selection Guide A F 20 4 0 24 0 12 0 L nozzle 7 0 14 0 MJ Nozzle Series MJ Standard Lengths L nozzle 09 Series 75 95 115 130 145 175 Custom lengths available on requ...

Страница 40: ...nce Simple Installation Utilises proven X Range tips and nuts Mastip s VeriShot is an extremely compact adjustable single valve gate system The VeriShot incorporates advanced heating technology for ex...

Страница 41: ...d Pin Size L nozzle VeriShot 16 TX16 OV TV 2 5 x 300 75 175 VeriShot 19 TX19 3 0 x 400 75 175 VeriShot 27 TX27 5 0 x 600 75 275 FlowLoc nozzle D 170 00 140 00 L nozzle 76 00 Min 146 0 54 00 17 00 92 0...

Страница 42: ...ng pressure Increased moulding window Lower mould filling stress results in better part quality Reduced gate cooling requirements Installation and Maintenance Easy machining and installation Easy seal...

Страница 43: ...ded Pin Valve Gate System MVG25 Headed Pin Valve Gate System MVG25 Nozzle Compatibility Description Nozzle Tip Nozzle Length Supplied Pin Size MVG25 P1 Headed Pin MX13 BX13 OV 45 175 2 0 MVG25 P1 Head...

Страница 44: ...h the backplate Moulding Benefits Reduced moulding pressure Increased moulding window Lower mould filling stress results in better part quality Reduced gate cooling requirements Installation and Maint...

Страница 45: ...le Length Supplied Pin Size MVG40 P1 Headed Pin MX13 BX13 OV 45 145 2 0 MVG40 P1 Headed Pin MX16 BX16 OV TV 45 145 2 5 MVG40 P1 Headed Pin MX19 BX19 OV TV 55 175 3 0 MVG40 P1 Headed Pin BX27 OV TV 75...

Страница 46: ...9 10 11 12 13 2b Mould Design Available to suit MX and BX Nozzles Standard minimal pitching is 75mm can be modified to fit 58mm pitching Backplates 55mm minimum Conical or Cylindrical shut off Easy ma...

Страница 47: ...gth Supplied Pin Size MVG40 P2 Threaded Pin MX13 BX13 OV 45 145 2 0 MVG40 P2 Threaded Pin MX16 BX16 OV TV 45 145 2 5 MVG40 P2 Threaded Pin MX19 BX19 OV TV 55 175 3 0 MVG40 P2 Threaded Pin BX27 OV TV 7...

Страница 48: ...g pressure Increased moulding window Lower mould filling stress results in better part quality Reduced gate cooling requirements Installation and Maintenance Easy machining and installation Easy seal...

Страница 49: ...election Guide MVG55 Headed Pin Valve Gate System MVG55 Headed Pin Valve Gate System 55 0 Min 10 0 95 0 MVG55 Blanking Plate MVG55 Cylinder Assembly MVG55 Spacer MVG55 Valve Pin MVG55 Nozzle Compatibi...

Страница 50: ...ation Spacer 10 Seal 11 1 MVCH FEATURES Mould Design Available to suit MX 16 19 and BX 16 19 and 27 series Standard minimal pitching is 58mm Backplates 86mm minimum Easy machining of pockets Hydraulic...

Страница 51: ...Gate System MVCH Nozzle Compatibility Description Stroke Tip Supplied Pin Size Nozzle L nozzle MVCH2505 2 5 5 TV 2 5 MX16 BX16 45 115 MVCH2510 2 5 10 OV MVCH2505 3 5 TV 3 0 MX19 BX19 55 115 MVCH2510 3...

Страница 52: ...com System Selection Guide 52 Manifold Components Exploded view of a Standard 2 Drop Hot Runner System Sprue Bush Heater 2 Manifold Heater Ceramic Connector 4 Manifold 5 Nozzle 9 Locator 7 Spacer Asse...

Страница 53: ...l geometry from the machine nozzle to each of the gates This means identical Flow distance Runner diameters Number and angle of bends This ensures that every gate receives material in exactly the same...

Страница 54: ...sed trunking for wiring Advanced heating technology for superior thermal performance Leak proof solution via screwed in nozzles Accidental cold starting will not result in polymer leakage User friendl...

Страница 55: ...P20 steel or 420 stainless steel Proven performance of X Range nozzle technology Delivered fully assembled and fully wired Benefits Advanced heating technology for superior thermal performance Easy s...

Страница 56: ...ow MFI the material classification moves up a grade for example easy to medium Selecting a Gate Type When designing an injection mould the type size and location of the gate is one of the most importa...

Страница 57: ...low rate Pressure drop through the system Cycle time Thermal gate shut off after filling Cosmetic impact of the gate on the part Cooling in the gate area The gate size is dependent on the Material Mat...

Страница 58: ...nt Yes Specific Gravity SG 1 3 L t for wall thickness 96 Material Category Medium due to flame retardant move up one grade to difficult Hot Runner System Initial Estimates Number of Nozzles N 4 L t 87...

Страница 59: ...ign allows for easy maintenance and configuration Benefits Soft Start function to protect heaters during startup Idle mode after power failure to protect hot runner system and mold Self test on startu...

Страница 60: ...alert alarm CE Certified Over voltage protection Heater short circuit protection Automatic detection of wire breakage of heater TRIAC short circuit protection Detection for reverse troubleshooting se...

Страница 61: ...with minimum clamping force due to the gates not all opening simultaneously Optimum control over part fill Pneumatic only Standard GTV8 cabinet configurations are 8 zones compact design Technical Spe...

Страница 62: ...Copyright Mastip Technology Limited Information subject to alteration V3 20 www mastip com System Selection Guide 62 Notes Notes...

Страница 63: ......

Страница 64: ...ostal Address PO Box 90651 Victoria St West Auckland 1142 New Zealand Phone 64 9 970 2100 Email mastip mastip com Mastip Regional Office Europe Phone 33 0 809 400 076 Email europe mastip com Mastip Re...

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