HYDRAULIC LOCKING CORE PULLCYLINDERS HLCP Cylinder – Faxable Quote Form
HYDRAULIC LOCKING CORE PULL CYLINDERS Mold Design & Installation Considerations
QUOTE FAX HOTLINES or email customer_service@dme.net United States 888-808-4363 • Canada 800-461-9965 • International 248-398-7394
The HLCP Cylinder maintains a sliding core in full back (retracted) or full forward (extended) positions. In order for the cylinder assembly to “lock”, the piston must be fully extended forward. This product’s provided spacer plate is placed between the front of the body flange and pocket installation. The spacer plate must be properly ground to ensure suitable fit at the desired mold operation temperature. The adjustment of the spacer plate is important for when the sliding core must “shut off” against an opposing core wall or face, so that plastic flashing is avoided. Positional alignment of the cylinder assembly is achieved by aligning the forward collet of the cylinder body (protrudes forward of the mounting flange) into the mold plate via the outer diameter of the collet. The collet will protrude past the spacer plate. Rotational alignment of the overall assembly is achieved via the mounting screws, as rotational alignment is only used to position the proximity sensors and hydraulic fitting connections and/or hoses within the overall installation. The piston may freely rotate; therefore, if rotational alignment of the sliding core is required, rotational alignment of the sliding core must be achieved via other means. While recommended installation pocket details are based on the cylinder assembly being recessed into the side of the mold plate, it is possible to have the cylinder assembly mounted fully “proud” of the side of the mold plate. However, positional alignment of the cylinder assembly to the mold plate requires the forward collet (protruding forward of the mounting flange of the cylinder body) to be recessed partially into the side of the mold. An overall installation adjustment is required to fit each application, while maintaining minimum clearances for the hydraulic fitting connections and/or hoses, as well as maintaining clearances for the proximity sensors.
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Cylinder size required: Select Size Option: 060 100
150 750 Please refer to the DME Mold Components catalog for more details on the rated load capacity for each cylinder size. Note: Load capacity is reduced if preload is required. Piston rod stroke required: ________________________________ [inches] Please refer to the DME Mold Components catalog for standard stroke lengths available. Note: For proper operation, the piston rod needs to be actuated over the full stroke. If you require a stroke length that is different than what is offered as standard for the desired cylinder size, then a special HLCP cylinder is required. Type of Inductive Proximity Sensor required: Please select one: NPN PNP 200 300 500 Note: The inductive proximity sensors supplied are standard NPN, unless otherwise specified at the time of order. Both NPN and PNP inductive proximity sensors require power to generate a signal. If your injection molding machine has only dry contacts, please refer to the packing slip (installation instructions) for a suggested alternative wire-up using a 3 rd party DC relay, or use external limit switches in your mold. All of my requirements are standard; I do not require Engineering to review my application, and I do not need to complete the rest of the form.
[square inches]
Area of sliding core face (in the molded part):
[PSI]
Peak injection pressure in the molded part cavity:
Does your application require preload? (Are you intending to form a “window” in your molded part?)
Yes
No
[square inches]
If “yes”, what is the shut-off area on the sliding core?
[pounds]
Piston Rod Load capacity required:
U.S. 800-626-6653 ■ Canada 800-387-6600 ww.dme.net ■ I have special requirements; I need Engineering to review my application and the entire form is complete. store.dme.net
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