Pro-Line Automation Introduces the
Zipper CNC-11LZ
Thermal Break Insertion Machine
Knurling, Insertion and Crimping in One Machine.

Designed and Built in North America, the CNC-11LZ Zipper features a PATENTED Automatic Compensating Knurling and Crimping System to insure maximum shear strength. Unlike other systems the require multiple machines for knurling, insertion, and crimping, the Zipper combines all three processes into one machine - saving valuable floor space, cutting labor requirements, and reducing cycle times. Innovative servo positioned tooling aligns the profiles for assembly and virtually eliminates scrap from the set up and changeover process.

  •   High volume production
  •   Zero scrap at set up
  •   Low labor requirement
  •   Quick and easy fixture changes
  •   Less floor space than conventional systems
  •   Short cycle times
  •   Designed & built in North America
"Our requirements for a flexible and fast thermal break insertion machine were met with the Zipper by Pro-Line. We compared the Zipper to European machinery and found that it required less space and employees, while achieving our production needs." - Martin Cash, CEO of Quest Window Systems -

Patented Assembly Process

Automatic Compensation in knurling and crimping ensures consistent shear strength.

Servo Positioning of Crimping Rollers

Horizontal and Vertical CNC System eliminates operator error when changing profiles

Integrated Strut Insertion

Innovative Tooling positively locates profiles eliminating set-up scrap.


High Volume Production with only 2 Operators

Extremely fast machine cycle time accomplished with only two operators.

Compact Footprint

Knurling, insertion, and crimping in one machine reduces required floor space by as much as 70%

Quick and Easy Tooling Change

Modular tooling with quick change attachment shortens profile changeover time.

"Our customers came to us looking for a solution that was less complicated, occupied less floor space and required fewer operators than the current offerings from Europe. The Zipper does this and more, at a price that the competition can’t match. The fact that the machine is designed and
built in North America is icing on the cake."
- Vinode Ramnauth, Vice President of Pro-Line Automation -

See the Pro-Line Automation Zipper in Action!

Space Saving Design, innovative technology, manufactured in North America, and available for a price the imports can't touch.



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