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Machine needle shut-off nozzle Type SHP (high performance) spring operated

Machine needle shut-off nozzle Type SHP (high performance) spring operated

Machine needle shut-off nozzle Type SHP (high performance) spring operated

Product catalog summary
Overview: The document provides installation and service instructions for the SHP-Nozzle, a high-performance, spring-operated machine needle shut-off nozzle designed for thermoplastics, excluding PVC.
Safety Instructions:
  • Only qualified personnel should perform installation and servicing.
  • Use full face protection and heat-resistant gloves due to high temperatures.
  • Avoid dropping the nozzle or exposing it to unnecessary forces.
  • Do not heat steel parts above 520°C.
  • Maximum operational parameters: 3000 bar at 400°C.
  • Be aware of potential explosive gas release from certain plastics.
Installation Instructions:
  • Tools required include hexagonal wrench, allen key, ring spanner, socket wrench, pliers, and punch.
  • Steps involve removing the heater band and temperature sensor, checking and lubricating adapter threads, and ensuring proper tightening and temperature equalization.
Initial Operation:
  • Heat the nozzle to operating temperature and ensure polymer is fully melted.
  • Eject heated material at low speed or increased injection rate.
  • Lower nozzle temperature during machine downtimes.
Service Instructions:
  • Disassembly involves heating the nozzle, removing components like the heater band, sensor, tip, needle, and other parts.
  • Cleaning should be done in a heated state using tools like sand fluidized bed, glass bead blasting, or a cleaning oven.
  • Check all parts for damage or wear before reassembly.
Assembly:
  • Follow numerical order for reassembly, ensuring alignment of components.
Parts and Spare Ordering:
  • Contact information and part details are required for ordering spare parts.
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Catalog excerpts

Machine needle shut-off nozzle Type SHP (high performance) spring operated-2

SHP-Nozzle, Installation and Service Instructions Safety instructions This symbol indicates explanations about important matters. Failure to read these or false handling could result in injury or damage. Please pay attention to the following safety instructions and precautions Handling • Installation and servicing to be only carried out by suitable personnel according to the installation and service instructions. • Nozzle can become extremely hot. Full face protection and heat resistant gloves must be worn. Damage precaution • Do not drop the nozzle or exert it to unnecessary forces. • Take care...

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Machine needle shut-off nozzle Type SHP (high performance) spring operated-3

SHP-Nozzle, Installation and Service Instructions Installation instructions Read safety instructions! Legend: with Hand inspection smear with high temperature lubricant temperature equalisation tool Note: Nozzle is delivered pre-assembled. The following instructions are for installation on the machine. Tools required: Hexagonal wrench, allen key, ring spanner, socket wrench, pliers, punch. See chapter Assembly for tool sizes and torques. Installation stepsA) - C) 2. A) 3. 1. Remove heater band 2. Remove temperature sensor 3. Check surfaces and threads of the adapter connection & smear adapter...

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Machine needle shut-off nozzle Type SHP (high performance) spring operated-4

SHP-Nozzle, Installation and Service Instructions Initial Operation Sicherheitshinweise lesen! Initial operation: 1. Bring nozzle to operating temperature 2. Only by first initial operation: tighten screws and heater band screws to the maximum recommended torques 3. Make sure that the Polymer is completely melted 4. Eject the heated material. This follows after extrusion at low speed (time ca. 25 - 30 S) or through injecting out at three to five times the rate of injection Leakage: Between needle and guide there is a melt film which prevents the needle from blocking. The melt film will be continuously...

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Machine needle shut-off nozzle Type SHP (high performance) spring operated-5

SHP-Nozzle, Installation and Service Instructions B) Counter 1b. 1c. 2a. 1a. 3a. 3b. 3c. 2b. 1. Remove body (1a.), spring package (1b.), and adapter (1c.) 2. Remove pressure ring (2a.) and slide out beam (2b.) 3. Screw out positioning bolt (3a.), pressure bolt (3b.) and remove needle bushing (3c.) Cleaning instructions While the nozzle is still installed, clean as far as possible in a heated state and finally disassemble completely and clean individual parts. Plastics such as; LCP or PPS burn away when the nozzle is heated in an oven for tow hours at 500°C. Never heat steel parts above 500°C!...

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Machine needle shut-off nozzle Type SHP (high performance) spring operated-6

SHP-Nozzle, Installation and Service Instructions Zusamme nbau Align deep slots (x 2) with beam body Assemble according to the numerical order. Pos. Qty. Description beam pressure ring Tool size (torque) SHP0 1 1 Body SW50 (170Nm) 2 1 Needle bushing - 3 1 Positioning bolt SW5 (3Nm) 4 1 Beam - 5 1 Pressure ring - 6 1 Spring package - 7 1 Adapter (torque acc. to machine manufacturer‘ handbool) s SW55 8 1 Pressure bolt - 9 1 Needle - 10 1 Tip SW27 (220Nm) 11 1 Heater band - 12 1 Heater band screw SW 4 (von Hand) 13 1 Temperature sensor herzog systems ag - Tel. +41 (0)71 394 19 69 Fax. +41 (0)71...

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Machine needle shut-off nozzle Type SHP (high performance) spring operated-7

SHP-Nozzle, Installation and Service Instructions Parts subject to wear / ordering spare parts Your contact information: Company Street City / Zip Contact Tel. / Fax E-Mail Lasered nozzle identity no.: please insert here Quantity Part (for part name, see chapter Assem bly) Send to: herzog systems ag CH-9230 Flawil / Switzerland Tel. +41 (0) 71 394 19 69 / Fax +41 (0) 71 394 19 60 www.herzog-ag.com / [email protected] herzog systems ag Tel. +41 (0)71 394 19 69 Fax. +41 (0)71 394 19 60 www.herzog-ag.co m [email protected] 7 M. S. Version 0.1

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.