EWIKON HPS III-MHR100 User manual

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General assembly notes / Required tools
1. ATTENTION: Please remove the tip inserts from nozzle body before assembling
or disassembling the HPS III-MH nozzle in the mould!
2. The maximum nozzle temperature is 350 °C (662 °F)
3. Required tools:
HPS III-MHL nozzle, linear version:
• Allen key, wrench size 5 AF
• Torque wrench, adjustment range 16 Nm (11.8 ft·lb)
with insert for wrench size 5 AF
• Threaded screw or threaded rod M4
HPS III-MHR nozzle, radial version
• Allen key, wrench size 3 and 5 AF
• Torque wrench, adjustment range 2 and 11 Nm (1.5 and 8.1 ft·lb)
with insert for wrench size 3 and 5 AF
• Threaded screw or threaded rod M4
Assembly of the nozzle body
1. The nozzle is installed into the mould without tip inserts.
2. Please install the tip inserts according to the “Tip insert assembly” instructions on the
following pages
HPS III-MH hot runner nozzle for direct side gating
Assembly and exchange of tip inserts
Important
safety instruction
During assembly or dis-
assembly of the HPS III-MH
nozzle high temperatures arise.
Risk of burns!
Personal protective
equipment (gloves,
protective goggles)
must be worn during
all work steps.

Tip insert assembly for the HPS III-MHL nozzle, linear version
1. Install the tip inserts. Please ensure that they are positioned correctly and that the sealing
surfaces between tip insert and nozzle are clean. A screw M4 or a threaded rod can be
screwed into the tip insert as an assembly aid.
2. AttachclampingcoverandxitwiththesocketheadscrewsM6x12,withthe
socket head screws M6x12 being screwed from the centre outwards. Use half of the
 denedtorque(pleaseseechart).
3. Heat up nozzle to processing temperature (maximum nozzle temperature 350 °C / 662 °F)
 andwarmupthemoulduntilthemouldtemperatureisreached.KeeptheresultingΔT
 (di󰀨erencebetweenprocessingandmouldtemperature)foratleast10minutesbefore
 nallyretighteningthescrewswiththematchingtorque.Notadheringtothisprocedurecan
result in damaged sealing sleeves and leakage.
4. RetightensocketheadscrewsM6x12withthedenedtorque(pleaseseechart)fromthe
centre outwards.
5. Install heat protective cover.
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Tip insert
Assembly aid (socket head screw M4)
4x socket head screw
ISO 4762 M6x12-12.9
Clamping cover
B
1
2
4
5Versions of HPS III-MHL linear nozzle
Nozzle Width B [mm] No. of tips No. of screws Torque
(unlubricated)
MHL 93/95
MHL100
42 4 2 11 Nm (8.1 ft·lb)
62 8 4 11 Nm (8.1 ft·lb)
62 4 4 8 Nm (5.9 ft·lb)
62 4 2 11 Nm (8.1 ft·lb)
MHL200 62 4 2 16 Nm (11.8 ft·lb)

Tip insert assembly for the HPS III-MHR nozzle, radial version
1x socket head screw
ISO 4762 M6x10
1. Install the tip inserts. Please ensure that they are positioned correctly and that the sealing
surfaces between tip insert and nozzle are clean. A screw M4 or a threaded rod can be
screwed into the tip insert as an assembly aid.
2. AttachclampingcoverandxitwithcentralsocketheadscrewM6x10.
 Usehalfofthedenedtorque(pleaseseechart).
3. ScrewinsocketheadscrewsM4x12crosswise.Usehalfofthedenedtorque
(please see chart).
4. Heat up nozzle to processing temperature (maximum nozzle temperature 350 °C / 662 °F)
 andwarmupthemoulduntilthemouldtemperatureisreached.KeeptheresultingΔT
 (di󰀨erencebetweenprocessingandmouldtemperature)foratleast10minutesbefore
 nallyretighteningthescrewswiththematchingtorque.Notadheringtothisprocedurecan
result in damaged sealing sleeves and leakage.
5. RetightencentralsocketheadscrewM6x10withdenedtorque(seetable).
6. RetightensocketheadscrewsM4x12crosswisewithdenedtorque(seetable).
7. Install heat protective cover.
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Tip insert
Assembly aid (socket head screw M4)
4x socket head screw
ISO 4762 M4x12-12.9
1x socket head screw
ISO 4762 M6x10-12.9
Clamping cover
The number of
the M4x12 socket
head screws varies
depending on
the number of
tip inserts.
1
5 6
7
2 3
Versions of HPS III-MHR radial nozzle
Nozzle
Torque (unlubricated)
M4x12 - 12.9 M6x10 - 12.9
MHR 93/95 /
MHR100 / MHR111 4 Nm (3.0 ft·lb) 11 Nm (8.1 ft·lb)
MHR112 / MHR122 2.5 Nm (1.8 ft·lb) Central socket head screw not
available for this version
MHR200 4 Nm (3.0 ft·lb) 2 tips: 6 (4.4 ft·lb)
4 tips: 11 (8.1 ft·lb)

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Technical information subject to alteration • EWIKON 06/2019 • Item no. 13826
EWIKON Heißkanalsysteme GmbH
Siegener Straße 35 • 35066 Frankenberg Tel: (+49) 64 51 / 50 10
Fax: (+49) 64 51 / 50 12 02 •E-mail: [email protected] •www.ewikon.com
Disassembly of nozzles or replacement of tip inserts
Unscrew and remove
clamping cover
Tilt tip insert out of the mould insert and remove it
For most resins the plastic cap can be removed from the tip insert directly after the tip insert has been disassembled and
when it is still hot.
Should this not be possible please use a hot air blower to heat up the resin around the tip insert until the plastic cap can be removed.
Important: To prevent the tip inserts from damaging while cleaning them never heat up the tip
inserts to more than 350 °C. Therefore, it is not allowed to burn the resin around the tip inserts
or to use gas ames.
Cleaning of tip inserts
Attention: In order to avoid damage to the tips the nozzle
must be heated up to processing temperature before deinstalling the tip inserts.
1. Heat up nozzle to processing temperature (maximum nozzle temperature 350 °C / 662 °F) and warm up the mould until the mould
 temperatureisreached.KeeptheresultingΔT(di󰀨erencebetweenprocessingandmouldtemperature)foratleast10minutesto
heat the gate area through. To avoid a leaking out of melted plastic from the nozzle body the temperature can be minimally
decreased if necessary. At any time the plastic must be elastic enough to deinstall the tip insert without damage and increased
 e󰀨ort.Thismustbecheckedforeachindividualcasebeforedeinstallation.
2. Deinstall heat protective cover (if installed).
3. Deinstall clamping cover according to the following procedure to avoid tilting:
HPSIII-MHL nozzles: Unscrew the socket head screws in the following order: 1 - 3 - 4 - 2.
HPSIII-MHR nozzles: Unscrew the socket head screws M4 crosswise, unscrew the central socket head screw M6 last.
4. Deinstall tip inserts according to the shown scheme. A threaded rod can be screwed into the tip insert as a deinstallation tool.
Tilt tip inserts carefully to the outside and remove them.
5. Cool down nozzle to room temperature.
6. The nozzle can be disassembled when all tip inserts have been removed.