Compact Linear Actuator with Ball Screw Drive - Schaeffler Group

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Design and safety guidelines Maximum travel speed of carriage Spindle pitch: � 2mm � 4mm � 10 mm � 20 mm L 2 = profiled rail length v = travel speed Figure 5 Maximum travel speed of carriage Screw drives must not be allowed to run in the critical speed range. This is dependent on the spindle length, spindle diameter and mounting arrangement. The travel speed of the carriage is dependent on the spindle pitch and the profiled rail length L 2 , Figure 5. 1100 mm/s 1000 900 800 700 4 600 3 v 500 400 300 2 200 1 100 0 550 600 650 700 750 800 L2 850 900 950 1000 1100 mm 1050 Schaeffler Group Industrial TPI 181 11 00014852
Compact linear actuator with ball screw drive Lubrication The guidance systems and the ball screw drive in the compact linear actuators are supplied with an initial grease filling of a high quality lithium complex soap grease KP2P–35 to DIN 51 825 and must be relubricated during operation. Lubrication of the guidance systems The guidance systems and the ball screw drive (the contact zones between the rolling elements and raceways) must be lubricated. The relubrication intervals are essentially dependent on the carriage travel speed, the load, the operating temperature, the stroke length and the environmental conditions. The cleaner the environment, the lower the lubricant consumption. The carriage must be moved during the lubrication process. The carriage must be moved slowly during relubrication of the spindle nut (Figure 6 � or �). Relubrication should be carried out using a lithium or lithium complex soap grease with a mineral oil or poly-alpha-olefin base. If different greases are used, their miscibility and compatibility must be checked first. The viscosity of the base oil should be in the range ISO-VG 68 to ISO-VG 100. The consistency corresponds to NLGI class 2. The grease must have particular anti-wear characteristics at loads of C/P � 8. This is indicated by the letter P in the DIN designation, for example: DIN 51 825–KP2P–35. Relubrication should be carried out wherever possible with several partial quantities at various times instead of the complete quantity at the time of the relubrication interval. Relubrication is carried out via three lubrication nipples on the longitudinal faces of the carriage. Lubricant must be supplied to the guidance system from the left and right (lubrication points � and �) and can be supplied to the ball screw drive from the left or right (lubrication point � or �). �, � Lubrication points for the linear recirculating ball bearing units �, � Lubrication points for the spindle nut Figure 6 Lubrication points For relubrication, a conical or needlepoint grease nozzle must be used to press the lubricant into the lubrication nipple. 12 TPI 181 Schaeffler Group Industrial 1 3 2 4 00014863
Page 1 and 2: Compact Linear Actuator with Ball S
Page 3 and 4: 2 TPI 181 Schaeffler Group Industri
Page 5 and 6: Product overview Compact linear act
Page 7 and 8: Compact linear actuator with ball s
Page 11: Compact linear actuator with ball s
Page 21 and 22: � PNP logic � NPN logic � BRN
Page 25 and 26: Compact linear actuators with ball
Page 33 and 34: Accessories Worm couplings Dimensio
Page 35 and 36: Accessories Motor adapter plates Di

Compact Linear Actuator with Ball Screw Drive - Schaeffler Group

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