Technical Data, Dimensioning, Mounting

Transcription

1 6 Bosch Rexroth AG R310EN 3105 ( ) and Shafts Technical Data, Dimensioning, Mounting Speed v max = 5 m/s Acceleration a max = 150 m/s 2 Operating temperature 20 C to +100 C Dimensioning The load capacity ratings should be selected according to whether the components are to be installed in the min. or the max. position. Normally, the linear bushing should be dimensioned so that 10% to 25% of the load capacity will be utilized when an external load is applied. If the direction of loading is clearly defined and the eline linear bushings can be mounted in the max. position, the C max load capacity (dynamic load capacity) can be used. If fully aligned installation is not possible, or if the direction of loading is not defined, the minimum load capacities should be assumed. max. max. max. min. min. min. Shaft Ø d 8 Shaft Ø d 10 to 16 Shaft Ø d 20 to 40

2 R310EN 3105 ( ) Bosch Rexroth AG 7 Mounting Bevel the edge of the housing bore and press the eline Linear Bushing in. Recommended bore tolerance: H7. Retention Shaft Ø 8 and 10: The plastic outer sleeve is oversized. For applications subject to vibration or with higher acceleration rates, additional retention will be necessary. Shaft Ø 12 to 40: The metal holding rings have an oversized outer diameter. No additional retention needed (bore length C). Service life of Service life (km) Lubrication* Pre-lubricated 100 0,1 0,2 0,3 0,4 0,5 0,6 0,7 0,8 0,9 1,0 F/C (load/dynamic load capacity) * Lubrication = With in-service lubrication Example: If a pre-lubricated eline Linear Bushing is loaded with 20% of the dynamic load capacity, it will run for 3,000 km on the initial lubrication alone under test conditions. If the bushing is lubricated after every 3,000 km in service, it can achieve a service life of 15,000 km.

3 8 Bosch Rexroth AG R310EN 3105 ( ) and Shafts R0658 Standard POM cage Integrated seals Balls made of antifriction bearing steel Hardened steel segments Metal holding rings (from shaft Ø 12 mm and up) Shaft Ø 8 and 10 Shaft Ø 12 to 40 (antifriction bearing steel to ISO / EN 10088) POM cage Integrated seals Balls made of antifriction bearing steel steel segments metal holding rings (from shaft Ø 12 mm and up) Shaft Part numbers with two integrated seals Weights Ø d Standard (kg) 8 R R , R R , R R , R R , R R , R R , R R , R R ,140

4 R310EN 3105 ( ) Bosch Rexroth AG 9 Dimensions d D C Dimensions No. of ball circuits Load capacities (N) Standard Ø d D C min. max. min. max. ±0,

5 10 Bosch Rexroth AG R310EN 3105 ( ) and Shafts eline Linear Sets R1027, closed type Standard Precision housing in lightweight construction (aluminum) eline linear bushing, standard version Two integrated seals Precision housing in lightweight construction (aluminum) eline linear bushing, corrosion resistant version Two integrated seals Shaft Ø d Part numbers Standard 1) Weights (kg) 12 R R ,08 16 R R ,11 20 R R ,15 25 R R ,27 30 R R ,40 40 R R ,75 1) linear bushing (antifriction bearing steel to ISO / EN 10088)

6 R310EN 3105 ( ) Bosch Rexroth AG 11 Dimensions Main direction of loading S 1 A E L N 1 N 2 H H 1 d D S 45 H 4 Dimensions Ø d D H Tolerance H 1 A L E S 2) S 1 N 1 N 2 H 4 for H 1) (µm) ±0, ± ,3 M ± ,3 M ,3 M ,6 M ,6 M ,4 M Shaft Load capacities 3) (N) Ø d Standard Corros. resist.* * Corros. resist. = 1) Relative to nominal shaft dimension d. 2) Mounting screws ISO ) The load capacities apply for the main direction of loading. If the load does not act in the main direction of loading, the load capacities must be multiplied by the following factors: Shaft Ø 12 and 16: f = 0.90 Shaft Ø 20 to 40: f = 0.79

7 12 Bosch Rexroth AG R310EN 3105 ( ) and Shafts eline Tandem Linear Sets R1029, closed type Standard Precision tandem housing in lightweight construction (aluminum) Two eline linear bushings, standard version Two integrated seals Precision tandem housing in lightweight construction (aluminum) Two eline linear bushings, corrosion resistant version Two integrated seals Shaft Part numbers Weights Ø d Standard 1) (kg) 12 R R ,17 16 R R ,24 20 R R ,31 25 R R ,57 30 R R ,80 40 R R ,54 1) linear bushing (antifriction bearing steel to ISO / EN 10088)

8 R310EN 3105 ( ) Bosch Rexroth AG 13 Dimensions Main direction of loading View X E 1 S 1 M L0 N 1 N 2 H H 1 d D E 2 45 H 4 S A L X Dimensions Ø d D H Tolerance H 1 A L E 1 E 2 S 2) S 1 N 1 N 2 H 4 for H 1) (µm) ±0,15 ±0, ± ,3 M ± ,3 M ,3 M ,6 M ,6 M ,4 M Shaft Ø d Load capacities 3) (N) Standard Tilting moment (Nm) stat M Lo 1) Relative to nominal shaft dimension d. 2) Mounting screws ISO ) The load capacities apply for the main direction of loading. If the load does not act in the main direction of loading, the load capacities must be multiplied by the following factors: Shaft Ø 12 and 16: f = 0.90 Shaft Ø 20 to 40: f = 0.79

9 14 Bosch Rexroth AG R310EN 3105 ( ) and Shafts Precision Steel Shafts Overview Shaft Part numbers for solid shafts L max Ø d Heat-treatable steel X46Cr13 Hard chrome plated h6 h6 h6 (m) 8 R R ,5 10 R R (stainless 3,5) 12 R R R R R R R R R R R R R R R R R R Shaft machining Cut to length and beveled L = L = t 1 = t 2 = Ød h6 = d 1 = Ø acc. to DIN 336 d 2 = or DIN 13 L 0 = L = L 2 = Ød h6 = d 3 = Ød h6 = Shaft end with tapped hole Shaft end with retaining ring groove to DIN 471 b 1 = L 1 = Recommended dimensions Ordering example 4 linear shafts Ø 20h6, 480 mm long from heat-treatable steel with beveling at both ends and tapped hole M12 x 28 at one end: 4x R , 480 mm, tapped hole M12 x 28 at one end Dimensions Retaining ring DIN 471- Ød d 1 /d 2 t 1 /t 2 b 1 d 3 Dimensions Part numbers +0,1 8 M4 10 0,9 7,6-0,06 8x0,8 R M4 10 1,1 9,6-0,11 10x1 R M5 12,5 1,1 11,5-0,11 12x1 R M6 16 1,1 15,2-0,11 16x1 R M8 19 1,3 19-0,13 20x1,2 R M ,3 23,9-0,21 25x1,2 R M ,6 28,6-0,21 30x1,5 R M ,85 37,5-0,25 40x1,75 R

10 R310EN 3105 ( ) Bosch Rexroth AG 15 Shaft Support Blocks R1058 Material Aluminum Especially low profile for Linear Sets with Clamping from above for better accessibility Enhanced safety thanks to clamping screw with greater thread diameter Tapped hole for mounting from below Through-holes for mounting from above Shaft Part numbers Weights Ø d (kg) 12 R , R , R , R , R , R ,470 Dimensions S SW A/F 45 H 4 H 1 N 1 N 2 H S 1 d E B A Dimensions Tightening Ø d d H 1) H 1 A B E S 2) S 1 N 1 N 2 H 4 A/F torque H8 ±0,01 ±0,15 (Nm) ,3 M ,5 3, ,3 M ,5 3, ,6 M ,0 6, ,4 M , ,4 M , ,5 M ,0 30 1) Relative to nominal shaft dimension d. 2) Mounting screws ISO