NEW STANDARD RAMS AND RAM KITS STANDARD RAMS .new standard rams and ram kits steerforth 01. ... (bsp)

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  • STANDARD RAMSWITH RAPID DELIVERY TIMES

    FINISHED RAMS OR RAMPARTS KIT (FROM STOCK / WITHIN 1 2 WEEKS) (GUARANTEED NEXT DAY FROM SHELF)

    BENEFITS OF USING OUR STANDARDCYLINDERS & RAMPARTS KITS IN YOURDESIGN & PRODUCTION ARE:

    LOWER COST AND GREATER MARGIN. RAMPARTS KITS REQUIRE MINIMUM ASSEMBLY WITH NO MACHINING REQUIRED. SPARE PARTS AVAILABLE FROM STOCK. IMPROVED & INCREASED PRODUCT RANGE. STANDARDISATION. 2D & 3D cad DRAWINGS AVAILABLE ON REQUEST. IMPROVED PRODUCTION CAPACITY. NEXT DAY DELIVERY (STOCK DEPENDANT). CONSISTENT PRODUCT QUALITY.

    WE NOW OFFER THE LARGESTRANGE OF STANDARD CYLINDERS

    WITH 1100+ AVAILABLE!!LOOK FOR THE RK TO ORDER YOUR RAMPARTS KIT !!

    CALL FOR A COPY OF OURPLAIN CATALOGUE ON A CD

    TO CREATE YOUR OWN LITERATURE IMMEDIATELY !!

    PLEASE GO TO WWW.STEERFORTH.CO.UK OR CALL 01252 333 633 FOR FULL PRICE LIST

    NEW STANDARD RAMS AND RAM KITS

    01STEERFORTH

  • OUTPUT FORCE - MINIMUM ROD LENGTH

    SUPPORTED ROD LA = LMREAR FLANGE WITH ROD EYE END LA = LM x 0.4REAR FLANGE WITH RIGIDITY

    SUPPORTED ROD LA = LM x 0.8REAR EYE WITH EYE ROD END LA = LM x 0.3TRUNNION AT HEAD ENDWITH EYE ROD END LA = LM x 0.3

    TRUNNION AT GLAND ENDWITH EYE ROD END LA = LM x 0.6

    TRUNNION AT GLAND END WITHRIGIDITY SUPPORTED END LA = LM x 0.8

    FOR INTERMEDIATE TRUNNION POSITIONS SCALEDMULTIPLIER FACTORS MUST BE TAKEN.

    CLEVIS AND SPHERICAL EYE MOUNTINGS HAVE THE SAME FACTOR AS EYE MOUNTINGS.

    EXAMPLE: HAVING FOUND Lm (2800mm) FOR REAR FLANGE MOUNT WITH EYE ROD END LA = LM x 0.4 = 2800 x 0.4 = 1120mm.

    INFORMATION FOR GUIDE PURPOSES ONLY !THEORETICAL VALUES WHICH DO NOT TAKE INTO ACCOUNT PARTICULAR OPERATING CONDITIONS

    OUTPUT FORCE AND MAXIMUM ROD LENGTHSEXAMPLE: KNOWING WHAT OUTPUT FORCE REQUIRED (200Kn) AND THE PRESSURE OF THE SYSTEM (160 Bar), CONNECT OUTPUT FORCE THROUGH PRESSURE TO CUT CYLINDER DIAMETER. ANSWER: 125 MILLIMETRES.

    TO FIND THE MAXIMUM LENGTH OF A PISTON ROD. CONNECT OUTPUT FORCE REQUIRED (200Kn) THROUGHROD DIAMETER (70mm) TO CUT THE MAXIMUM ROD LENGTH SCALE; THIS GIVES YOU THE (Lm) DIMENSION. ANSWER: 2800 MILLIMETRES.

    TO FIND THE ACTUAL LENGTH STROKE (LA) FOR A SPECIFIC MOUNTING, USE FORMULAE BELOW.

    MAXIMUM STROKE LENGTHS FOR SPECIFICMOUNTING CASES

    FOOT MOUNTED WITH ROD END LA = LM x 0.8

    FOOT MOUNTED WITH EYE ROD END LA = LM x 0.8

    FOOT MOUNTED RIGIDITYSUPPORTED ROD LA = LM

    FRONT FLANGE WITH ROD EYE END LA = LM x 0.8FRONT FLANGE WITH RIGIDITY

    02 STEERFORTH

    HYDRAULIC CYLINDERS LOAD CALCULATION

  • ORDER CODE

    BORE (mm)

    D (mm)

    S (mm)

    K (mm)

    STROKE (mm)

    E (bsp)

    CM (mm)

    L (mm)

    L1 (mm)

    F(mm)

    LF1 (mm)

    O (mm)

    AF (mm)

    PCD (mm)

    N (mm)

    G (mm)

    FLANGE (mm) WEIGHT

    HMF1200100

    40 50 20

    250 100

    1/4 18 32 25 16x1.5 30 12 18 87 109 11 (x4) CFL0050

    3

    HMF1200200 350 200 3.8

    HMF1200300 450 300 4.6

    HMF1200400 550 400 5.4

    HMF1200500 650 500 6.2

    HMF2300100

    50 60 30

    270 100

    3/8 18 35 25 20x1.5 40 14 26 105 128 13 (x4) CFL0060

    4.6

    HMF2300200 370 200 5.8

    HMF2300300 470 300 7

    HMF2300400 570 400 8.2

    HMF2300500 670 500 9.4

    HMF3350100

    60 70 35

    300 100

    3/8 20 40 30 27x2 50 16 32 117 142 13 (x4) CFL0070

    6.9

    HMF3350200 400 200 8.4

    HMF3350300 500 300 9.9

    HMF3350400 600 400 11.4

    HMF3350500 700 500 12.9

    HMF4400100

    70 80 40

    312 100

    3/8 22 40 30 30x2 60 16 36 127 162 15 (x4) CFL0080

    8.63

    HMF4400200 412 200 10.53

    HMF4400300 512 300 12.76

    HMF4400400 612 400 15

    HMF4400500 712 500 17.2

    HMF5500100

    80 95 50

    345 100

    1/2 25 50 40 36x2 70 18 45 149 181 17 (x6) CFL0095

    13.7

    HMF5500200 445 200 16.8

    HMF5500300 545 300 19.9

    HMF5500400 645 400 23

    HMF5500500 745 500 26.1

    HMF6500100

    100 115 50

    375 100

    1/2 27 70 40 36x2 70 24 45 162 194 17 (x6) CFL0115

    20.2

    HMF6500200 475 200 25.8

    HMF6500300 575 300 27.2

    HMF6500400 675 400 30.8

    HMF6500500 775 500 34.4

    FOR CYLINDER KIT FORM PLEASE QUOTE RK IN FRONT OF THE RELEVANT PART NUMBER, I.E: RKHMF1200100.RAMPARTS CYLINDER COMPONENT KITS ARE AVAILABLE NEXT DAY SUBJECT TO AVAILABILITY.

    DOUBLE / SINGLE* ACTING HYDRAULIC CYLINDER (*=S/A WITH USE OF A BREATHER)MAX PRESSURE = 210 BAR (CONTINUOUS) 250 BAR (INTERMITTENT)

    MAX SPEED = 0.5 M/SOPERATING TEMPERATURE (C) = +80C TO -25C

    TUBE MATERIAL = STEEL - ST52.3 - DIN2393 - ISO H9ROD MATERIAL = STEEL - UNI C45 (SAE 1045) - 25 MICRON (5) - EN8 GRADE

    HMF HYDRAULIC CYLINDERS

    03STEERFORTH

  • ORDER CODE

    BORE (mm)

    D (mm)

    S (mm)

    K (mm)

    STROKE (mm)

    E (bsp)

    L (mm)

    L1 (mm)

    CM(mm)

    P(mm)

    H(mm)

    V (mm)

    T (mm)

    WEIGHT(kgs)

    HFR0160050

    25 35 16

    160 50

    1/4" 33 22 31 12.1 25 25 35

    1

    HFR0160100 210 100 1.2

    HFR0160150 260 150 1.4

    HFR0160200 310 200 1.7

    HFR0200050

    32 42 20

    205 50

    1/4" 33 35 51 16.2 30 35 40

    1.7

    HFR0200100 255 100 2.1

    HFR0200150 305 150 2.4

    HFR0200200 355 200 2.8

    HFR0200250 405 250 3.1

    HFR0200300 455 300 3.5

    HFR0200400 555 400 4.2

    HFR0200500 655 500 4.8

    NFR1250100

    40 50 25

    270 100

    3/8" 40 38 65 20.25 35 40 50

    3

    NFR1250150 320 150 3.4

    NFR1250200 370 200 3.9

    NFR1250250 420 250 4.4

    NFR1250300 470 300 4.8

    NFR1250400 570 400 5.8

    NFR1250500 670 500 6.7

    NFR1250600 770 600 7.6

    NFR1250700 870 700 8.6

    NFR1250800 970 800 9.5

    NFR2300100

    50 60 30

    300 100

    3/8" 43 42 85 25.25 40 45 60

    4.4

    NFR2300150 650 150 5

    NFR2300200 400 200 5.6

    NFR2300250 450 250 6.2

    NFR2300300 500 300 6.9

    NFR2300400 600 400 8.1

    NFR2300500 700 500 9.3

    NFR2300600 800 600 10.5

    NFR2300700 900 700 11.8

    NFR2300800 1000 800 13

    NFR2300900 1100 900 14.2

    NFR2301000 1200 1000 15.5

    NFR3300100

    60 70 30

    300 100

    3/8" 50 36 83 25.25 40 45 70

    5.6

    NFR3300150 350 150 6.3

    NFR3300200 400 200 7

    PLEASE NOTE THAT THE NFR CLINDER RANGE IS NOT AVAILABLE IN RAMPARTS KIT FORMAT.

    DOUBLE / SINGLE* ACTING HYDRAULIC CYLINDER (*=S/A WITH USE OF A BREATHER)MAX PRESSURE = 210 BAR (CONTINUOUS) 250 BAR (INTERMITTENT)MAX SPEED = 0.5 M/SOPERATING TEMPERATURE (C) = +80C TO -25CTUBE MATERIAL = STEEL - ST52.3 - DIN2393 - ISO H9ROD MATERIAL = STEEL - UNI C45 (SAE 1045) - 25 MICRON (5) - EN8 GRADE

    HFR / NFR HYDRAULIC CYLINDERS

    04 STEERFORTH

  • ORDER CODE

    BORE (mm)

    D (mm)

    S (mm)

    K (mm)

    STROKE (mm)

    E (bsp)

    L (mm)

    L1 (mm)

    CM(mm)

    P(mm)

    H(mm)

    V (mm)

    T (mm)

    WEIGHT(kgs)

    NFR3300250

    60 70 30

    450 250

    3/8" 50 36 83 25.25 40 45 70

    7.7

    NFR3300300 500 300 8.3

    NFR3300350 550 350 9

    NFR3300400 600 400 9.7

    NFR3300450 650 450 10.4

    NFR3300500 700 500 11

    NFR3300600 800 600 12.4

    NFR3300700 900 700 13.7

    NFR3350200

    60 70 35

    400 200

    3/8" 50 36 83 25.25 40 45 70

    7.5

    NFR3350300 500 300 9

    NFR3350400 600 400 10.6

    NFR3350500 700 500 12.1

    NFR3350600 800 600 13.7

    NFR3350700 900 700 15.2

    NFR3350800 1000 800 16.8

    NFR3350900 1100 900 18.3

    NFR3351000 1200 1000 19.9

    NFR4400200

    70 80 40

    410 200

    3/8" 50 46 82 30.25 50 55 80

    10.1

    NFR4400250 460 250 11

    NFR4400300 510 300 12

    NFR4400350 560 350 13

    NFR4400400 610 400 13.9

    NFR4400450 660 450 14.9

    NFR4400500 710 500 15.8

    NFR4400600 810 600 17.7

    NFR4400700 910 700 19.6

    NFR4400800 1010 800 21.5

    NFR4400900 1110 900 23.4

    NFR5400200

    80 92 40

    410 200

    3/8" 60 42 70 30.25 50 55 90

    13

    NFR5400250 460 250 14.2

    NFR5400300 510 300 15.3

    NFR5400350 560 350 16.4

    NFR5400400 610 400 17.5

    NFR5400500 710 500 19.8

    NFR5400600 810 600 22

    NFR5400700 910 700 24.3

    NFR5400800 1010 800 26.5

    NFR5400900 1110 900 28.8

    NFR5401000 1210 1000 31

    NFR6500200

    100 115 50

    425 200

    1/2" 66 45 75 30.25 60 70 115

    21.5

    NFR6500300 525 300 25

    NFR6500400 625 400 28.5

    NFR6500500 725 500 32

    NFR6500700 925 700 39.1

    NFR6500900 1125 900 46.1

    NFR6501000 1225 1000 49.6

    PLEASE NOTE THAT THE NFR CLINDER RANGE IS NOT AVAILABLE IN RAMPARTS KIT FORMAT.

    HFR / NFR HYDRAULIC CYLINDERS

    STEERFORTH 05

  • ORDER