CAVITY AND CORE COMPONENTS Dynamic Gas Vents TECHNICAL NOTES * VENTING VALVES For a correct application of the venting valves SGD608/SGDE608F/SGDL608/SGDE608/SGDE808/SGDE1008/SGDE1208/SGDE1408 it is necessary to inject an air blast after ejection of plastic part, the air will guarantee the valve to open every shot. With a normally open 3/2 valve it is possible to use the gas venting channel also to inject the air blast.
GAS AIR
CLEANING/MAINTENANCE
SGDE6/8/10/12/14-Series
PIN HOLDING DOWEL
It is possible to disassemble the dynamic venting valve with the following procedure: • Remove the head holding pin and the ejector head. • Unscrew the internal dowel with the key SGDECH, remove the valve holding pin and extract the venting valve from ejector front side.
SGDECH
SGDE16/6-Series
CH 2
SPECIAL SCREW SGDE16V
CH4
SGD14..
SGDE16B
◄
◄
4- During assembly align reference marks for proper fit
3- Clamp the bushing SGDE16B and unscrew the valve SGD14 using hexagonal key CH2
2- Insert a 3-4mm diameter pin in the slot and extract the valve
1- Remove the special screw SGDE16V using hexagonal key CH2
DEPTH 0.5mm
150
The special maching creates four protrusions 0.5mm thick on the injected part
The top surface of valve pin SGDE1610A/1610ALV is machined to fit CSSGDA
Valve SGDE1610A/1610ALV can be screwed and unscrewed with special key CSSGDA
290
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