This automatic optical fiber tensile testing system is made for operator skill independent use in production and laboratory options. Two basic model configurations permit the user to pick between a set up for standard linear proof testing along with additional mandrels for rotary high strength testing.
The linear version is ideal for production proof testing with forces up to 22 N. Motorized clamps with carefully designed rubber inserts ensure that the SZ stranding line will not be damaged in the testing process while at the same time eliminating the requirement for an outside air supply. Amounts of pulling force, pulling speed and hold time are programmable and conveniently offered to the operator with the built in LCD touchscreen display control. Data from tests could be saved and accessed using the USB port or Ethernet interface.
Mandrels the exact same design as in NYFORS’ optical fiber recoaters can easily be mounted on the proof tester within the rotary high strength configuration. The fiber is wrapped around the two mandrels which support it using a special clamping mechanism. By doing this much higher loads does apply onto the fiber, enabling breaking strength tests under controlled circumstances.
Adjustable clamp positioning facilitates testing with all the highest force levels as well as testing of short fiber lengths. The compact and light weight design helps make the instrument easy to move around in a laboratory environment as well as integrate in a production work bench where space is at reasonably limited. The machine is actually a compact and light-weight instrument perfect for testing the potency of optical fibers as much as 30 N. The machine is designed to meet all types of applications when a strength test needs to be performed.
The equipment was created with the user under consideration. The optical fiber coloring machine is readily positioned in the guided linear clamps, and the testing starts automatically having a “One Touch” go button. The built-in microprocessor controls all the important parameters including pulling force, pulling speed and hold time. This enables for a completely controlled test each and every time.
The device may be connected to another PC, which enables usage of all programmable parameters and settings. The equipment is adapted to face-alone use or the integration into different subsystems. The device posseses an extensive ability of logging and saving information such as pulling force, pulling speed and fiber diameter and other parameters.
Two recoat injector configurations can be found. The PTR307 uses an automated pump to inject the recoat material. The volume of material dispensed by the automatic injector is controlled by hand through the top-mounted “Inject” button or programmed in to the machine making use of the tablet controller. The PTR307B features a manual recoat injection system that requires the user to manually dispense the recoat material in to the mold cavity; a substitute injector for your PTR307B recoater is available below. Take note uojthk the automatic injector is only compatible with high-index recoat material, while the manual injector is compatible with both low- and- index recoat material; both are sold separately below. Please contact Tech Support for more information.
he manual injector can be mounted to compatible fiber recoaters via the 4-40 screws on the recoater housing (see photo off to the right). Use a 3/32″ hex factor to secure the injector prior to use. To connect the PTRRRM towards the recoater mold, tighten the connector at the conclusion of the green plastic tubing, then loosen by a 1/4 consider enable rotation.
The injector comes with a distribution valve as well as 2-position selection lever for directing the flow of recoat material. A knurled dispensing screw having an internal plunger behaves as a syringe for the recoat material. To fill the syringe, point the lever downward (i.e., toward the recoat bottle), then rotate the knurled dispensing screw counterclockwise until it spins freely to fill the syringe (shown within the photo to the right). Then, to inject the SZ stranding line, point the lever horizontally (i.e., facing the knurled screw) and rotate the screw clockwise until close to the end in the travel range is reached. Avoid bottoming the dispenser as this may damage the inner plunger; also be mindful when re-engaging the threads to prevent cross threading the dispensing screw. Several fill/inject steps may be required until air is displaced within the system. Use lens tissue and an acetone or alcohol cleaning means to fix collect any excess recoat material that flows from your mold.