Haydon Kerk Pittman (AMETEK, USA) Kerk lead screws span 2-24 mm (5/64-15/16 in) diameters with leads of 0.3-92 mm, pairable with ZBX/ZBA/ZBM/KHD/WDG/NTB/VHD/BFW anti-backlash and self-lubricating nuts up to 2,224 N (500 lbf) dynamic load; maintenance-free engineered-plastic nuts run quiet and are widely used in medical devices, optics, 3D printing and precision linear drives as a low-cost small linear-joint solution.
Tolomatic (USA) RSH hygienic rod-style electric actuators use 316 stainless steel bodies with IP69K protection for high-pressure, high-temperature washdown; sizes RSH22/25/30 deliver 7.6-35.3 kN (1,700-7,943 lbf) max force, strokes to 1,219 mm (48 in) and speeds to 498 mm/s (19.6 in/s) for food, beverage, pharma and any wet or clean linear-joint application.
Tolomatic (USA) B3S is a ball-screw-driven rodless electric actuator family in three sizes B3S10/15/20: max force 1.8-12.0 kN (410-2,700 lbf), max load 268-911 kg, speed to 1,524 mm/s (60 in/s) and strokes to 3,454 mm (136 in); the rodless design is compact with long travel and high stiffness for transfer, pick-and-place, clamping and long-stroke linear axes in automation and humanoid lines.
Haydon Kerk Pittman (AMETEK, USA) Pittman E30 is a miniature incremental optical encoder family: E30C offers 200-500 CPR and E30D 500-2048 CPR with 2-channel quadrature TTL outputs, Z-index on E30D and optional differential line-driver; powered from 4.5-5.5 VDC at ≤20 mA with response to 220 kHz, -20 to +85 °C operation and 5.6 g mass, mounting directly on Pittman brushed/brushless motors for closed-loop speed or position control in robot joints and precision motion.
Haydon Kerk Pittman (AMETEK, USA) Pittman PLG52 is a 52 mm-frame precision planetary gearbox with 13 standard ratios from 4.5:1 to 400:1 across 1-3 stages: single-stage torque to 1.2 Nm and two/three-stage to 24 Nm (3399 oz-in), efficiency of 0.90/0.81/0.73 by stage count, mass 560-880 g and length 50-80.5 mm; it couples directly to Pittman brushed/brushless DC and hybrid stepper motors for robot joints, medical devices and lab automation.
Tolomatic (USA) IMA is an integrated servo linear actuator that combines a brushless servo motor, ball or roller screw and servo drive in one housing - no coupling or external drive, minimal cabling and easy multi-axis synchronization; four frame sizes IMA22/33/44/55 deliver 1.5-35.8 kN (325-8044 lbf) peak force with strokes to 457 mm (18 in), speeds up to 1334 mm/s (52.5 in/s) and multiple lead choices at 0.0021 in/ft lead accuracy for factory automation, packaging, molding and humanoid linear joints.
August Steinmeyer (Germany) 1412 miniature ball screws carry a single nut with integral mounting flange (flange OD Ø15-35 mm) for direct screw fixing to the load or carriage - reliable locating, easy assembly, backlash-free running at accuracy class P; the 59-model range spans Ø3-16 mm nominal diameters and 0.5-2.5 mm leads with dynamic capacities 0.09-2.9 kN, static 0.09-4.9 kN, ball diameters 0.6-1.5 mm and nominal strokes to 450 mm for medical, semiconductor and humanoid micro drives.
August Steinmeyer (Germany) 1214 miniature ball screws feature a cylindrical nut ground to h6 tolerance for press-fit or locating-ring installation into housing bores - compact, backlash-free and rated accuracy class P; the 59-model range spans Ø3-16 mm nominal diameters and 0.5-2.5 mm leads with dynamic capacities 0.09-2.9 kN, static 0.09-4.9 kN, ball diameters 0.6-1.5 mm and nominal strokes to 450 mm, a compact choice for space-constrained medical, semiconductor and humanoid micro linear drives.
August Steinmeyer (Germany) 1112 miniature ball screws use a nut with integral connecting thread for direct screw-on attachment to drive shafts or load interfaces, running backlash-free at accuracy class P; the 59-model range spans Ø3-16 mm nominal diameters and 0.5-2.5 mm leads with dynamic capacities 0.09-2.9 kN, static 0.09-4.9 kN, ball diameters 0.6-1.5 mm and nominal strokes to 450 mm in two shaft styles - suited to medical, semiconductor and humanoid dexterous micro linear drives.
Harmonic Drive SHG-2A silk-hat component sets: 9 sizes from 14 to 65, ratios 50/80/100/120/160, rated L10 torque 7-1,236 Nm, repeated peak 23-3,419 Nm, momentary peak up to 6,175 Nm, standard accuracy ≤1 arcmin, mass 0.11-7.04 kg. The flanged hat-shaped flexspline is stiffer and more torque-dense than cup types and pairs with crossed-roller bearings to carry combined axial/radial joint loads in humanoids and high-payload servo turntables.
Harmonic Drive CSD-2A cup-type component sets (wave generator, flexspline and circular spline supplied separately for customer integration): sizes 14-50, ratios 50/80/100, rated L10 torque 3.7-329 Nm, repeated peak 12-686 Nm, momentary peak 24-1,440 Nm, standard accuracy ≤1 arcmin, mass 0.29-1.9 kg, K1 torsional stiffness 0.29-21×10^4 Nm/rad. Zero-backlash strain-wave design with cup-shaped flexspline for robot joints, semiconductor handling and precision servo axes.
Haydon Kerk Pittman (AMETEK) can-stack linear stepper actuators use a low-cost can-stack stepper driving a lead screw for compact, cost-effective linear motion in Captive and Non-Captive/External forms. Diameters span 15–36 mm (0.59–1.4 in), 6–100 µm travel per step, 3–260 N max force, 12.7–38.1 mm captive stroke and up to 150 mm non-captive/external stroke, suited to instrumentation, valve control and space-constrained automation.
