Machine shut-off nozzle type A(S) spring operate
Machine shut-off nozzle type A(S) spring operate
- Only qualified personnel should perform installation and servicing.
- Use full face protection and heat-resistant gloves as the nozzle can become extremely hot.
- Avoid dropping the nozzle or exposing it to unnecessary forces.
- Do not heat steel parts above 500°C.
- Maximum injection rate/temperature is 2000 bar at 350°C.
- Be aware of potential explosion risks from gases produced by some plastics.
- The nozzle is pre-assembled without the optional heater band and temperature sensor.
- Tools required include a hexagonal wrench, Allen key, and ring spanner.
- Ensure surfaces are checked and threads are greased with high-temperature paste before installation.
- Bring the nozzle to operating temperature and retighten screws and heater band with maximum torque.
- Ensure the material is completely melted before extrusion or injection.
- Reduce nozzle temperature during machine downtimes to prevent leakage.
- Clean the nozzle while installed and heated, then disassemble for thorough cleaning.
- Use tools like sand fluidized bed, glass bead blasting, or a cleaning oven.
- Do not heat steel parts above 500°C and avoid kinking heater band and sensor cables.
- Follow specific torque settings for different parts as outlined in the document.
- Use a vice and appropriate tools to disassemble and reassemble the nozzle components.
- Includes fields for company information, contact details, and part specifications.
- Orders should be sent to Herzog Systems AG in Switzerland.
Catalog excerpts
A(S) 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...
Open the catalog to page 2
A(S) nozzle, Installation and Service Instructions Installation instructions Read safety instructions! Legend: With hand Inspection Grease with high temperature paste Await temperature equalization Tool Note: Nozzle is delivered pre-assembled (without optional heater band and temperature sensor). The following instructions are for installation on the machine. Tools required: Hexagonal wrench, Allen key, ring spanner. Tighten all screws to correct torque. See chapter Assembly for tool sizes and torques. Installation steps A) - B) A) 1. Check surfaces and grease threads with high temperature paste....
Open the catalog to page 3
A(S) nozzle, Installation and Service Instructions Initial operation Read safety instructions! Initial operation: 1. Bring nozzle up to operating temperature 2. For first installation or after assembly: Retighten screws, tip and heater band with maximum torque. 3. Make sure that material is completely melted. 4. Firstly discharge heated material by 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 renewed...
Open the catalog to page 4
A(S) nozzle, Installation and Service Instructions Assembly Pos. Description Tool / Size Torque A0 A1.0 / A1.1 A2 A0 A1.0 / A1.1 A2 1 Needle guide - - - - - - 2 Positioning pin - - - - - - 3 Pressure pin - - - - - - 4 Spring - - - - - - 5 Spring chamber (standard) SW11 SW18 / 19 SW25 20Nm 40 / 40Nm 50Nm Spring chamber (filter) SW11 SW17 / 19 SW24 20Nm 40 / 40Nm 50Nm 6 Body - - - Torque according to machine handbook 7 Needle - - - - - - 8 Tip SW19 SW24 / 24 SW41 60Nm 200 / 200Nm 520Nm 9 Heater band SW4 SW4 / 4 SW4 von Hand 10 Temperature sensor SW10 SW10 / 10 SW10 von Hand Procedure 1. 2. 3. 4....
Open the catalog to page 5
A(S) nozzle, Installation and Service Instructions Spare part order form Your full contact information please: Company Street Zip/City Contact Tel / Fax E-Mail Engraved identity Nr. Please enter here Quantity Part name / no. 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] 6 M. S. Version 0.4
Open the catalog to page 6All Herzog AG catalogs and technical brochures
Type NE5 Pages
