ER Collet System
ER Collet Chuck Coolant Delivery Options
High Pressure Coolant Options:
Best Option
ER Coolant Nuts and Seals
- Allows for full range of collet.
- Special collet nuts with replaceable sealing disc.
- Designed for use with through-coolant tools.
- Add suffix “CN” to part number and order coolant seals separately.
- Seals up to 1200 PSI.
Standard Option
ER Sealed Collets (RER)
- Designed for use with through-coolant tools.
- Collet slots are sealed to prevent coolant escape.
- Collapse range .005” maximum.
- Withstands coolant pressure up to 600 PSI.
Getting Coolant to the Cutting Tool:
Through-Flange
- Available to the DIN 69871 Form B specification.
- Available for most sizes, standard or standard modification.
Through-Spindle
- Through-holes are standard in all Parlec end mill holders. All collet chucks have back-up screws with through-holes.
- Standard back-up screws are not designed for coolant pressure above 250 PSI, unless used in conjunction with additional coolant sealing system.
