8.15 Service of the Actuator VP4008P Series

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Service of the ctuator V4008 Series 8.15 Service of the ctuator V4008 Series 8.15.1 echnical Data V400801, V40080301 Doc003511.

1 Service of the ctuator V4008 Series 8.15 Service of the ctuator V4008 Series echnical Data V400801, V Doc png o ensure long life and continued flawless operation of the actuator, we recommend using filtered compressed air. he coolant used should be properly modified, e.g. filtered water with an anti-corrosion and frost-proof agent. fter switch off the hot runner heater, the cooling for the actuator have to be turned on for at least 15 minutes, to avoid damages of the actuator sealing. ctuator for hot runner systems, bolted to mold plate, pneumatic Valve pin operation Operation medium ressure range ressure max. Valve pin stroke djustment Opening force losing force Flow rate Instantaneous Valve pin response time onnections ooling Medium Valve pin Valve pin diameter pneumatic 6-10 bar ( psi) 11 bar (160 psi) 8 mm By machining the adjustment plug 754 N / 6 bar (87 psi) 686 N / 6 bar (87 psi) 1.5 l/min / 6 bar (87 psi) ~0,5 s / 6 bar (87 psi) 1/8 N or M 10x1 (Goodridge 6-L / arker 8-L) onnecting in clamping plate lamping late ooling (max. 100 / 210 F) ooling lines are required in clamping plate. Ø 3,8 mm (V400801) Ø 3,0 mm (V ) ttachment Valve pin head within the piston Miscellaneous Information Minimum clamping plate thickness Minimum pitch of the actuators Maximum distance from center support 32 mm 55 mm 650 mm RESRIED: roperty of Synventive ll rights reserved. Errors and omissions excepted

2 Service of the ctuator V4008 Series Explosion view of the V4008 Series V for valve pin Ø 3,8 mm V for valve pin Ø 3,0 mm his section describes the disassembly and assembly process of the actuator to replace seals. In this section the actuator parts are identified with the numbers indicated in the following figure, which shows the components. lways tighten the screws to the torques specified in the respective table (13). ctuator parts V4008 Series No. Qty. Description Item (1) 1 Valve pin coupling (for valve pin Ø 3,8 mm) (1) 1 Valve pin coupling (for valve pin Ø 3 mm) V V (2) 1 Retainer V4008R01 (3) 1 iston V4008I01 (4) 1 djustment plug V (5) 1 ross pin V (6) 1 ylinder cap V (7) 1 Snap ring V4008-K-01 (8) 2 Viton O-ring VIOR-41.28X1.8-FM-75-BR (9) 1 Viton O-ring VIOR-20.64X1.8-FM-75-BR (10) 1 Viton O-ring VIOR-9.13X1.0-FM-75-BR (11) 1 Viton O-ring VIOR-5.15X1.0-FM-75-BR (12) 1 Viton quad ring VIQR-20.64X2.6-FM-75-BL (13) 1 Viton quad ring VIQR-33.34X3.5-FM-75-BL (14) 4 ountersunk head screw DIN7991-M4x Doc png RESRIED: roperty of Synventive ll rights reserved. Errors and omissions excepted

Service and Maintenance / Service of the ctuator V4008 Series 8.15.

top clamp plate should be 18 mm. (see Doc003739.

plate to achieve the 18 mm gap. (see Doc003516.png) Doc003739.png Doc003516.

3 Service and Maintenance / Service of the ctuator V4008 Series Basic Dimensions in Mold Minimum Distance between Manifold and lamping plate he gap between the top of the manifold and the bottom of the top clamp plate should be 18 mm. (see Doc png) his gap may be smaller due to customer plate thickness which will require a 35 diameter counterbore in the bottom of the top clamp plate to achieve the 18 mm gap. (see Doc png) Doc png Doc png Valve pin length alculation he length of the valve pin in the cold condition is calculated with the formula: (LM Valve in rotrusion) / LM is the distance between 0 extension of the gate to the top of the 18 mm top air gap. is the Valve in rotrusion. Doc png RESRIED: roperty of Synventive ll rights reserved. Errors and omissions excepted

Service and Maintenance / Service of the ctuator V4008 Series neumatic

Heavy Weight Hazard ransport and lifting equipment should be operated only

Operate lifting and transport equipment slowly and carefully to avoid

Lifting and transport equipment for lifting Hot Runner Systems shall be

4 Service and Maintenance / Service of the ctuator V4008 Series neumatic Danger by neumatic ersonal injury can result from connecting or disconnecting pneumatic hoses. neumatic works must be carried out by qualified persons. Heavy Weight Hazard ransport and lifting equipment should be operated only by trained personnel. Operate lifting and transport equipment slowly and carefully to avoid uncontrolled swinging of the manifold. Lifting and transport equipment for lifting Hot Runner Systems shall be approved and properly rated taking into account the weight and size of the manifold. Hot Surfaces Hazard ontact between the skin and hot surfaces could result in burns. Use personal protective equipment, such as work gloves, apron, sleeves and face protection, to guard against burns. When servicing or handling the hot runner system outside the manifold plates or the injection molding machine, care must be taken to heed the hot surface exposure warnings. RESRIED: roperty of Synventive ll rights reserved. Errors and omissions excepted

Service and Maintenance / Service of the ctuator V4008 Series 8.15.4 First mounting of ctuator V4008 fter disassembly of the sealing elements the original seals should be replaced.

5 Service and Maintenance / Service of the ctuator V4008 Series First mounting of ctuator V4008 fter disassembly of the sealing elements the original seals should be replaced. 1) Lubricate the VION O-ring (10) with hydraulic oil or white grease. 2) Install the VION O-ring (10) into the valve pin coupling (1) seal groove. 3) Lead the valve pin (V) into the valve pin coupling (1). When you lead the valve pin (V) into the valve pin guide - the valve pin coupling (1) is settling down on the valve pin guide. 4) Install the VION O-ring (11) into the adjustment plug (4) seal groove. 5) lace the adjustment plug (4) into the valve pin coupling (1). 6) Secure the adjustment plug (4) with the cross pin (5) in the valve pin coupling (1). Doc png fter disassembly of the sealing elements the original seals should be replaced. 7) Install the VION quad ring (12) into the clamping plate (a) seal groove. Heavy Weight Hazard 8) lace the clamping plate (a) on the destined position on the mold. 9) Install the VION quad ring (13) into the piston (3) seal groove. 10) Install the VION O-ring (9) into the piston (3) seal groove. 11) lace the piston (3) into the cut-out in the clamping plate. he piston (3) will be placed on the flange of the valve pin coupling (1). Doc png RESRIED: roperty of Synventive ll rights reserved. Errors and omissions excepted

Service and Maintenance / Service of the ctuator V4008 Series 12) lace the retainer (2) on the piston. 13) Secure the retainer (2) with the snap ring (7) at the valve pin coupling (1). Doc003514.

16) Lubricate the thread of the countersunk head screws (14) with hightemperature assembly paste (anti-seize compound).

6 Service and Maintenance / Service of the ctuator V4008 Series 12) lace the retainer (2) on the piston. 13) Secure the retainer (2) with the snap ring (7) at the valve pin coupling (1). Doc png Doc png Doc png Doc png 14) Install the two VION O-rings (8) into the cylinder cap (6) seal grooves. 15) lace the cylinder cap (6) on the piston (3). 16) Lubricate the thread of the countersunk head screws (14) with hightemperature assembly paste (anti-seize compound). his is an important measure to prevent thread corrosion due to aggressive gases, which could be released during plastics processing. 17) ttach the cylinder cap (6) at the clamping plate with the four countersunk head screws (14). ighten the countersunk head screws (14) in an X pattern (a, d, c, b). Use torque wrench with wrench insert and the torque specified in the respective table in section 13. Doc png For valve pin height adjustment of the actuator V4008 see section 9.11 RESRIED: roperty of Synventive ll rights reserved. Errors and omissions excepted

5 Dismounting the ctuator V4008 1) Unscrew and remove the

seal grooves. Doc003513.png 4) Remove the snap ring (7).

7 Service and Maintenance / Service of the ctuator V4008 Series Dismounting the ctuator V4008 1) Unscrew and remove the four countersunk head screw (14). 2) Remove the cylinder cap (6). 3) Remove the O-ring seals (8) out of the cylinder cap (6) seal grooves. Doc png 4) Remove the snap ring (7). 5) Remove the retainer (2). Doc png Doc png Doc png Doc png RESRIED: roperty of Synventive ll rights reserved. Errors and omissions excepted

8 Service and Maintenance / Service of the ctuator V4008 Series Heavy Weight Hazard 6) Lift the clamping plate (a) from the mold. During lifting the clamping plate (a) from the mold, the piston (3) will be elevated up from of the valve pin coupling (1) flange. 7) Remove the VION quad ring (12) out of the clamping plate (a) seal groove. 8) Remove the VION quad ring (13) out of the piston (3) seal groove. 9) Remove the O-ring (9) out of the piston (3) seal groove. Doc png 10) Remove the cross pin (5) out of the valve pin coupling (1) and the adjustment plug (4). 11) Remove the adjustment plug (4). 12) Remove the O-ring (11) out of the adjustment plug (4) seal groove. 13) Lift the valve pin coupling (1) from the valve pin guide. During lifting the valve pin coupling (1) the valve pin (V) will be pulled out of the valve pin guide. 14) Remove the O-ring seal (10) out of the valve pin coupling (1) seal groove. Doc png RESRIED: roperty of Synventive ll rights reserved. Errors and omissions excepted

8.16 Service of the Actuator VP8016P Series

8.16 Service of the Actuator VP8016P Series Service of the ctuator V8016 Series 8.16 Service of the ctuator V8016 Series 8.16.1 echnical Data V80160501, V80160601, V80160801 Doc003489.png o ensure long life and continued flawless operation of the