PI L-412, L-417 and V-417 Linear Stages Compared Review: Specs, Price and Applications
PI’s L-412, L-417 and V-417 stages address related industrial positioning tasks through different frame sizes and drive architectures. L-412 uses a 116 mm-wide ballscrew platform, while L-417 and V-417 use a wider 166 mm class. L stages use rotary servo/ballscrew transmission; V-417 applies ironless magnetic direct drive. These differences determine selection and replacement compatibility.
Quick Verdict
Consider the screw-driven L models for the required force/speed duty and the V-417 for smooth direct-drive scanning. Compare actual load-side performance and installed cost. The stage’s supported load is not its available horizontal drive force, and a direct motor does not remove friction from the rolling guides.
PI L-412, L-417 and V-417 Linear Stages Compared at a Glance
Specification | Details |
L-412 | 116 mm width; ballscrew; family load up to 400 N |
L-417 | 166 mm width; ballscrew; family load up to 450 N |
V-417 | 166 mm width; ironless 3-phase linear motor; load up to 450 N |
V-417 nominal / peak force | 87 N / 300 N in inspected current table |
Feedback | Exact rotary/linear and incremental/absolute configuration must be selected |
Travel | L-412 overview to 610 mm; 417 overview to 813 mm; confirm current code |
Environment | Selected side covering strip / purge-air provisions; not a universal sealed rating |
Design and Engineering Assessment
A ballscrew converts rotary torque into thrust with a lead-dependent speed/force tradeoff. Screw dynamics, lubrication and critical-speed limits belong in the design. An optional holding brake on a selected L configuration does not establish dynamic stopping or gravity-axis protection by itself.
V-417 removes the screw transmission and its associated screw behavior, but the guides, fixtures and service cables still affect tracking. The 450 N supported load and 87 N nominal motor force describe different constraints. Do not use the load capacity as a continuous drive-force rating.
Feedback choice changes the measurement boundary. A rotary encoder measures motor rotation, while a linear encoder measures platform displacement directly. Absolute feedback can identify position at startup, but startup motion still needs collision-free logic and a known fixture configuration.
Define One Complete Stage Configuration
Specify travel, orientation, payload moments, required speed and process forces. Resolve motor voltage, feedback format, controller, cables and any brake as a single order-specific assembly.
Check both supported-load limits and the required force over repeated acceleration. Compare screw and direct-drive versions using the same installed fixture, cycle and thermal conditions.
Inspect, Tune and Maintain
Mount to the prescribed reference surface and verify alignment before tuning. Evaluate reversal, scanning or settling at the actual tool point, keeping encoder increments distinct from accepted positioning accuracy.
Record lubrication/service instructions, brake identity, encoder configuration and full stage code. A similarly sized 417 stage with a different drive or encoder is not an automatic electrical or mechanical replacement.
Applications and Selection
Industrial laser processing, scanning, electronics assembly and inspection with a defined screw-drive or direct-drive requirement.
For PI L-412, L-417 and V-417 Linear Stages Compared, define the actual machine duty before selecting an ordering configuration. Include the required operating point, available installation space, environment and control interfaces. The specification table describes the product or family; the surrounding machine determines which of those features matters for the intended job.
Price and Value
Price: Request a quote for the exact configuration. Compare the product, compatible control equipment, required mechanical parts, cabling and commissioning as one installed system. A component price alone does not represent the cost of a working automation axis.
Evaluate an alternative against the same duty and acceptance criteria. Match the continuous operating requirement first, then compare transient capability, feedback, mechanical fit and support. This avoids choosing between superficially similar products whose ratings describe different operating conditions.
Pros and Cons
Advantages
Related frames with explicit screw/direct-drive choices
Linear and absolute-feedback configurations available by selection
Defined industrial protection and service provisions
Limitations
Different load and drive-force limits must be respected
Controller/feedback compatibility varies
A common frame class does not establish interchangeability
Who Should Consider PI L-412, L-417 and V-417 Linear Stages Compared?
Consider PI L-412, L-417 and V-417 Linear Stages Compared when the documented configuration matches the actual process, load, environment and control architecture. Use a representative installed cycle and a defined process-side error budget for acceptance.
PI L-412, L-417 and V-417 Linear Stages Compared FAQ
How does L-412 differ from L-417?
The reviewed L-412 overview uses a narrower 116 mm frame and lower family load scope; both use ballscrews.
How does V-417 differ from L-417?
V-417 uses an ironless linear motor instead of a rotary motor and ballscrew.
Is 450 N V-417 continuous motor force?
No. It is a load-capacity scope; the inspected motor table lists 87 N nominal force.
Does direct drive eliminate all stage friction?
No. It removes transmission components while rolling guides and external services still influence motion.
Is every encoder configuration absolute?
No. Select and identify the actual feedback type and interface.
Can a holding brake be assumed on every L stage?
No. Confirm the exact optional brake and its permitted function.
Does purge air make every installation sealed?
No. Apply the selected mechanical protection and environmental instructions.
What should a comparison measure?
Actual load-side tracking/settling, duty, mounting, service and controller scope using comparable configurations.
Prices are indicative and may change. Confirm the final configuration, commercial terms and delivery schedule before ordering.
