ML Catalog
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LINEAR actuator technology Miniature Linear Actuator

ML MINIATURE LINEAR ACTUATOR ML Series Overview MAGNET - Built-in magnet accommodates home, limit and position sensors. DOVETAIL CLAMPS - secure unit on all (4) surfaces. Two screw design helps ensure quick and easy alignment during installation. BRASS INSERTS - For system mounting and integrity. LEAD SCREW - Large diameter, antifriction coated screw allows for longer lengths by decreasing screw whip and increasing column strength. CERAMIC COATED BODY - For corrosion resistance and long life. “DOVETAIL” STYLE CARRIAGE - PTFE polymer material has fourteen plain bearing surfaces providing low...

LINEAR ACTUATOR TECHNOLOGY MOUNTING HOLES - Carriage brackets feature extra mounting holes for ease of installation and multi-axis assemblies. LINEAR GUIDE SUPPORTS - Provide increased load and moment capacities and overall rigidity to the system. Available single or dual rails with one or two runnerblocks per rail. VERVIE W HOUSING - SIMO™ process ensures precision mounting, accurate installation and lightweight composition. SEAL STRIP - Ultra-wear-resistant MDS nylon prevents particulates or contaminants from entering or exiting actuator. LEAD SCREW - 1mm, 2mm, 5mm, 10mm, 12mm, 16mm 25mm...

ML MINIATURE LINEAR ACTUATOR ML Components STEPPER MOTORS (Page 16) Coming Soon! PULLEY BELT SYSTEM (Page 36) SIDE MOTOR MOUNT COVER (Page 36) CARRIAGE BRACKETS (Page 37) SEAL STRIP HAND KNOB (Page 27) POSITION SENSOR (Page 34) SENSOR BRACKET (Page 33) IN COOPERATION WITH OUR PARTNERS 4 LI NEAR M OT IO N SOL UTIO NS I www.pbclinear.com DOVETAIL MOUNTING CLAMP (Page 33)

LINEAR ACTUATOR TECHNOLOGY RISER PLATES (Page 33) CABLE CARRIER (Page 39) MOTOR MOUNT (Page 25) MOTOR SPACER (Page 25) POSITION SENSOR (Page 34) RUNNER LINEAR BLOCK GUIDE RAIL SERVO MOTORS SENSOR BRACKET (Page 33) ©2011 PBC Linear™, A Pacific Bearing Company. See back page for legal disclaimer.

ML MINIATURE LINEAR ACTUATOR PATENT PENDING - Patent Pending Machining Process - High Precision Mounting Surfaces - Tight Tolerances ± 0.025mm (0.001 in) PBC Linear has revolutionized traditional machining with the patent pending SIMO™ (Simultaneous Integral Milling Operation). The typical aluminum extrusion process produces a natural bow, twist and variance. Costly straightening and aligning is traditionally used to combat this variance, resulting in a semi-straight aluminum extrusion that drives the cost up. PBC’s SIMO process uses synchronized cutters, eliminating built-in extrusion...

LINEAR ACTUATOR TECHNOLOGY SIMO PROC Synchronized Cutters Machine tools are built on precision machined castings or weldments... Why shouldn’t your actuator be built the same? profile view EXTRUSION PROCESS LIMIT OF EXTRUSION PROCESS PROCESS TOLERANCE PRECISION As tolerances get tighter, the cost of machining with conventional processes increases dramatically over the SIMO process. ©2011 PBC Linear™, A Pacific Bearing Company. See back page for legal disclaimer.

ML MINIATURE LINEAR ACTUATOR Multi-Axis Mounting ML actuators are designed to perform well in XY and other Cartesian arrangements. The actuator body forms a strong beam with higher moment loading capacity. Special dovetail slots on all sides allow the actuators to be mounted on their bottom surface or on either side. Carriage brackets and special wedge mounting clamps allow for precise and rigid mounting arrangements. Linear guides can be installed on one or both sides of the actuator with one or two runner blocks on each rail for greater rigidity in gantry applications. Multi-axis gantries...

LINEAR ACTUATOR TECHNOLOGY The ML miniature actuator has surpassed expectations and left the competition in the dust. Its combination of compactness and (60 lbf) 265 N pound thrust power gives this actuator an edge for automation applications where space is critical. Plus, the SIMO™ machined rail surface and zero backlash lead screw assembly ensures accuracy and precision for syringe pump and optical control applications. Designed to excel in life science, medical, Packaging, military/defense and small-scale automation ©2011 PBC Linear™, A Pacific Bearing Company. See back page for legal...

ML MINIATURE LINEAR ACTUATOR Technical Data ml SERIES - Carriage only Size Max. Load - Lite Preload - anti-backlash - Normal Preload - anti-backlash - Standard Mz Bending Moment of Inertia (second moment of area) For combined loads, loading cannot exceed the following formula. Base Weight without Motor Total Carriage Mass & Top Plate Nominal Screw Diameter external Dovetail Easy sketch No Load Torque Nut - Lite Preload - anti-backlash - Normal Preload - anti-backlash - Standard Linear Guide Supports - Single Linear Guide - Dual Linear Guides Seal Strip - with Seal Strip - without Seal Strip...

LINEAR ACTUATOR TECHNOLOGY 51. mm (* 71. mm WHEN USING ANY CARRIAGE BRACKET) CARRIAGE WITH DOVETAIL NOTE: BODY LENGTH = STROKE + *CARRIAGE LENGTH + (2X OVER TRAVEL) + 18mm STROKE LENGTH OVERTRAVEL ZONE Motorized units use a different drive end bracket. See motor section for more details. OVERTRAVEL ZONE BODY LENGTH RECOMMENDED OVERTRAVEL PER SIDE Knob or Hand Crank = 5mm Stepper Motor = 10mm Servo Motor = 20mm How to calculate body length 1) Enter 19mm BODY LENGTH CALCULATION TABLE 2) Select (5, 10 or 20mm) for overtravel on idle end (See recommended overtravel above.) (Add Amounts 1-5) +...

ML MINIATURE LINEAR ACTUATOR Performance Data The load rating and system speed must both be accounted for when sizing a lead screw system. The nut threads and screw threads form a plane bearing system. The PV limit of a polymer material is the point at which friction-generated heat can no longer be expelled at a rate to prevent the material from overheating. Such overheating while under stress can cause permanent deformation of the material. Ignoring how the system’s speed and loading relate to the nut material’s PV rating can lead to dramatically shorter thread life. The primary modes of...