HepcoMotion PDU2 – Profile Driven Unit Actuator
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PDU2's patented wheel technology gives this small belt driven system considerable load capacity for its size. The modular design of the PDU2 allows for quick and easy gantry configuration. Adapter plates can be ordered for connecting PDU2's together, or MCS aluminum framing brackets and extrusion may be ordered to create a machine structure. PDU2 features an aluminum beam up to 6 meters in length with T-slots, if desired. Aluminum beams without T-slots are ideal for washdown applications, and they will not trap dirt. Additional options for the PDU2 include motor/gearbox mounts, limit and proximity switches, T-nuts, T-slot covers, gearboxes, motors, and electric brakes.
• Ideal for demanding single axis systems and multi-axis applications
• Speeds up to 6m/s
• High load capacity to 750N and 15Nm
• Driving forces to 280N
• Ultra-high performance wheels mounted on adjustable eccentric studs
• Left, right, or double drive shaft outputs available
• Multiple carriages are possible on a single unit
• Options include brakes, position encoders, and mechanical or inductive limit switches
Suitable for demanding single-axis systems and multi-axis applications, the PDU2M delivers a 50% higher load capacity, a 200% increase in moment load capacity and a 1,000% improvement in moment load stiffness compared to the standard PDU2. It provides a cost competitive, high performance and low maintenance linear solution for an even wider range of applications.
Essentially a modified PDU2, the PDU2M comprises a rigid but lightweight aluminium slotted profile into which fits the toothed belt drive and carriage, an arrangement that effectively encloses the unit. It is rated for operating speeds of up to 6m/s and available with a choice of motors providing driving forces up to 280N. Ultra high performance Herculane wheels mounted on adjustable eccentric studs run virtually friction-free on the inside of the profile and provide stable support for the carriage plate. Several carriage styles make quick and easy construction of multi axis sytems attainable.
PDU2M is fully compatible with the MCS aluminium machine construction system and is ideal as a replacement for failing ball-based systems that are unable to match its speed and reliability.
| Carriage Load Capacity | ||||
| L1 | L2 | Ms | Mv | M |
| 500 N | 500 N | 5 Nm | 14 Nm | 14 Nm |
PLASTIC BOTTLE MOLDING
PDU2 Easily Adopted to Inspection System
THE CHALLENGE:
Avid, Inc. from Greenland, NH provides vision-based measurement and inspection systems for on-line and off-line industrial applications. The challenge was to meet their strong demand for a competitively priced linear actuator that could provide repeatable, reliable, and predictable linear transmission of newly molded plastic bottles through a high speed laser inspection station running in a clean environment.
INDUSTRY: Packaging
PRODUCT USED: PDU2 Linear Actuator
PSD80 and PDU2M
Work Together as an X-Y-Z Application
What is different about PDU2 when compared to other Bishop-Wisecarver driven slide systems?
PDU2 carriages ride on crowned roller wheels instead of the conventional vee-guide wheels. The wheels themselves are made of a proprietary polymer designed for high performance and long life without re-lubrication.
What does PDU2 stand for?
Profile Driven Unit. The 2 signifies Hepco's size classification of the slide based on their existing product lines.
What type of drive mechanism does the PDU2 employ?
PDU2 is belt driven, utilizing an AT3-20mm wide polyurethane belt reinforced with steel cords.
What is the longest length available for a PDU2 unit?
PDU2 is available with a beam length of up to 6 meters long. Travel length is 175mm shorter than the beam length.
What accessories are available with the PDU2?
Components such as mounting brackets for gantry applications, custom-fitted motor mounts, and sensor kit assemblies are available for the PDU2.
Is the PDU2 available in versions other than belt driven?
The PDU2 is only available as a belt driven system. The PSD120 offers a ball screw driven version.
