MZE03 HYRULIC MOTORS T E C H N I C L C T L O G
Hydraulic motors MZE03 OCLIN HYRULICS OVERVIEW Motor inertia Noise emissions = 0.0 kg.m² = 60 db - T B Check valve L B T ressure relief valve with dynamic shockless Theoretical torque Max.power Max. speed Max. pressure MZE03 at 00 bar at 000 SI cm³/rev [cu.in/rev.] Nm [lb.ft] kw [H] rev/min[rm] bar [SI] 450 [27.5] 76 [364] 22 [30] 55* 260 [3 77] 2 500 [30.5] 795 [404] 40* * See option M for higher speed or lower charge pressure. irst displacement 2 9/02/204
OCLIN HYRULICS Hydraulic motors MZE03 CONTENT MOEL COE 4 CHRCTERISTICS 7 imensions for standard -displacement motor 7 inion characteristics 8 VLVING SYSTEMS 9 Hydraulic connections 9 Valves description 0 Valving systems Characteristics Model code BRKES Rear brake utomatic hydraulic de-braking valve 2 utomatic electrical de-braking valve 3 Brake INSTLLTION Hydraulic motor setting 5 Customer s chassis recommandations 5 OTIONS 7 Options Installation 9/02/204 3
MOEL COE Hydraulic motors MZE03 OCLIN HYRULICS MOEL Torque Module Brake Valving System C M 2 3 2 Z E 0 3 0 3 C Cam ring type displacement cm 3 /rev. [cu.in/rev.] MZE03 450 [27.5] 500 [30.5] 2 Valves Check valve ressure relief valve ressure relief valve with dynamic shockless Yes Yes No Yes No Yes B 2 ressure relief valve setting ressure settings and ynamic shockless timing will be precisely determined based on machine design. (see possible settings on page 0) 3 Connection type GZ (BS) ISO 79-3 UN (SE) ISO 926- GZ (BS) JIS B235 Rear brake mini./max. torque (N.m [lb.ft]) 780 [ 33] / 2 200 [ 623] 2 ebraking valve Without debraking valve utomatic hydraulic debraking valve 2 utomatic electrical debraking valve 3 4 9/02/204
OCLIN HYRULICS Hydraulic motors MZE03 COE 2 3 4 2 3 S 3 4 5 6 Chassis fixation (mm [inch]) 8 x Ø7,5 [0.69] on Ø265 [0.4] 2 8 x Ø4 [0.55] on Ø265 [0.4] 4 Bearing support S2-6 Options 0 Without option luorinated elastomer seals 6 Industrial bearing support 7 iamond Special paint or no paint H High efficiency M High speed or reduced charge pressure Customized identification plate S Standard 3 Brake environmental cover without plug Valving systems Characteristics Model code 2 Bearing support or male shaft bearing support Brake 3 Shaft type inion shaft 4 Shaft characteristics ISO 53; 4 teeth; modul 6 0 ISO 53; 2 teeth; modul 7 Options Installation 9/02/204 5
Hydraulic motors MZE03 OCLIN HYRULICS Methodology : This document is intended for manufacturers of machines that incorporate oclain Hydraulics products. It describes the technical characteristics of oclain Hydraulics products and specifies installation conditions that will ensure optimum operation. This document includes important comments concerning safety. They are indicated in the following way: Safety comment. This document also includes essential operating instructions for the product and general information. These are indicated in the following way: Essential instructions. General information. Information on the model number.information on the model code. Weight of component without oil. Volume of oil. Units. Tightening torque. Screws. Information intended for oclain-hydraulics personnel. The views in this document are created using metric standards. The dimensional data is given in mm and in inches (inches are between brackets and italic) 6 9/02/204
OCLIN HYRULICS Hydraulic motors MZE03 CHRCTERISTICS imensions for standard -displacement motor M Z E 0 3 2 Ear fixation 8 x 7,5 56 [2.20] 93 [3.66] 89 [3.50] 44 [.73] 36 [.42] 26 [4.96] 20 20 C T 20 2 B 3 2 Ø265 [dia. 0.43] 3 2 3 4 2 0 3 Ø227 ± 2 [dia. 8.94 ± 0.008] Ø95 ± 2 [dia. 7.68 ± 0.079] Ø83 ± 0,2 [dia. 7.20 ± 0.008] 30 [.8] 7 [0.67] X S 3 4 5 6 3,3 [0.52] 2,2 ± 2 [0.83 ± 0.079] 0 [0.39] R,2 [0.05] 30 Ø99,964 ± 0,036 [dia. 7.873 ± 0.004] Valving systems Characteristics Model code 32 [.26] Ø302 ± 2 [dia..89 ± 0.008] [4.37] 8 x Ø7,5 [dia. 0.69] [4.37] 46 kg [0 lb] 0,6 L [37 cu.in] +0,2 29,7 +0.008 [.7 ] - 0,4-0.06 56,7 [2.23] +2,05 329 +0.08 [2.95 ] -,85-0.073 38,5 65 [2.56] [.52] +,35 0 +0.053 [2.56 ] -,5-0.045 Brake 4 Ear fixation 8 x 4 +0,5 52,5 +0,02 [6.00 ] +0,3 35 +0,0 [5.3 ] -,3 -,3 20-0,05-0,05 20 T 20 B 3,3 [0.52] 2,2 ± 2 [0.83 ± 0.079] 0 [0.39] R,2 [0.05] 56 [2.20] 97 ± [3.82 ± 0.04] 90,6 [3.57] 86,6 [3.4] 36 [.42] 32 [.26] Ø302 ± 2 [dia..89 ± 0.008] [4.37] 8 x Ø4 [dia. 0.55] [4.37] Ø265 [dia. 0.43] Ø227 ± 2 [dia. 8.94 ± 0.008] Ø95 ± 2 [dia. 7.68 ± 0.079] Ø83 ± 0,2 [dia. 7.20 ± 0.008] 46 kg [0 lb] 9 [0.75] 8 [0.7] +0,2 29,7 +0,008 [.7 ] - 0,4-0,06 56,7 [2.23] 40,4 ± 0,7 [5.53 ± 0.028] +2,05 329 +0,08 [2.95 ] -,85-0,073 38,5 65 [2.56] [.52] +,35 0 +0,053 [2.56 ] -,5 30-0,045 Ø99,964 ± 0,036 [dia. 7.873 ± 0.004] Options Installation 0,6 L [37 cu.in] 9/02/204 7
Hydraulic motors MZE03 OCLIN HYRULICS inion characteristics C S M Z E 0 3 2 3 2 3 2 3 4 2 0 3 3 4 5 6 0 3,3 [0.52] 0 [0.39] 3,3 [0.52] 0 [0.39] R,2 [0.05] R,2 [0.05] 30 30 Ø0,925 ± 0,075 [dia. 4.03 ± 0.003] Ø99,964 ± 0,036 [dia. 7.873 ± 0.004] +0-0,5 +0-0,006 Ø03 [dia. 4.055 ] Ø99,964 ± 0,036 [dia. 7.873 ± 0.004] 38,5 65 [2.56] [.52] +,35 +0,053 0 [2.56 ] -,5-0,045 38,5 65 [2.56] [.52] +,35 +0,053 0 [2.56 ] -,5-0,045 Norm N ISO 53 Norm N ISO 53 Module 6 Module 7 Number of teeth 4 Number of teeth 2 itch diameter 84 mm [3.3 inch] itch diameter 84 mm [3.3 inch] ressure angle 20 ressure angle 20 Treated shafts Heat treatment is applied on the whole surface of all shafts. Treated surface Treated surface 8 9/02/204
OCLIN HYRULICS Hydraulic motors MZE03 Hydraulic connections 3 GZ (BS) UN (SE) GZ (BS) VLVING SYSTEMS C 2 ressure relief valve with dynamic shockless M Z E 0 3 0 3 Max. pressures Instantaneous pressure peaks resistance 3 ISO 79- ISO 926- JIS B235 2 3 3/4"-6 UN 3/8" B -B X 7G-G3/8 7G-G3/8 3G-G/4 3/4''-6 UN 3/8" 2 3 4 Standards ower supply Case drain Check valve MZE bar [SI] 260 [3 77] 260 [3 77] 2.5 [36] 35 [508] 260 [3 77] 5 [28] To find the connections tightening torques, see the brochure Installation guide N 8047897L. ilot T S 2 3 4 5 6 Control of parking brake 3G-G/4 Charge pressure T 7G-G3/8 9/6''-8 UN 3/4"-6 UN /4" 3/8" You are strongly advised to use the fluids specified in brochure Installation guide N 8047897L. o not put either a check valve or a poppet valve on the pilot lines (parking brake and displacement change) between the charge pump and the pilot valve. o not use a piloting valve with integrated check valve. Options Installation Brake Valving systems Characteristics Model code 9/02/204 9
Hydraulic motors MZE03 OCLIN HYRULICS Valves description C S M Z E 0 3 2 3 2 3 2 3 4 2 0 3 3 4 5 6 Check valve ressure relief valve ressure relief valve with dynamic shockless Yes Yes No B Yes No Yes Check valve The check valve allows to compensate for leackages to prevent cavitation. V low rate l/min [GM] Operating pressure bar [SI] Cracking pressure bar [SI] Temperature range C [ ] Viscosity range mm 2 /s iltration NS 638 00 [26.4] 350 [5 076] 0,5 [7.2] -20 to +70 [-4 to 58] 5 to 380 8 ressure 6 4 2 0 8 6 4 2 bar vs. low V [SI] 233 203 74 45 6 87 58 29 0 20 40 60 80 00 0 5.3 0.6 5.8 2. 26.4 l/min low [GM] ressure relief valve The pressure relief valve limits the pressure in the high pressure lines of the hydraulic motor. ressure relief valve with dynamic shockless The pressure relief valve with dynamic shockless: limits the pressure in the high pressure lines of the hydraulic motor. allows the absorption of the pressure peacks. Valve characteristics: Max. flow: 60l/min [5.85 gal/min] Shockless time: from 0,05 to 0,3 s Max. pressure setting: 260 bar [377 SI] Other valve sizes are available. Consult your oclain Hydraulics application engineer for further information. 0 9/02/204
OCLIN HYRULICS Hydraulic motors MZE03 BRKES Rear brake C 2 3 2 M Z E 0 3 0 3 2 3 4 2 3 Emergency brake release M2 42 N.m [30.9 lb.ft] S 3 4 5 6 Valving systems Characteristics Model code Brake principle This is a multidisc brake which functions through the absence of pressure. The spring exerts a force on the piston, which acts on the fixed and mobile discs, and thus immobilizes the shaft. The braking torque decreases in linear proportion to the brake release pressure. Brake 2 3 0 arking brake torque at 0 bars on housing Min. brake release pressure Max. brake release pressure Volume for brake release o not run-in the multidisc brakes. Max. Mini. 2 200 Nm [ 620 lb.ft] 780 Nm [ 30 lb.ft] 2 bar [74 SI] 30 bar [435 SI] 3 cm³ [,9 cu.in] Your duty cycles and especially brake cycles must be validated by your oclain Hydraulics application engineer. The use of certain oils, may not offer the characteristics stated above. Consult your oclain Hydraulics sales engineer. Options Installation 9/02/204
Hydraulic motors MZE03 OCLIN HYRULICS utomatic hydraulic de-braking valve C 2 3 2 M Z E 0 3 2 0 3 2 3 4 2 3 S 3 4 5 6 Hydraulic de-braking valve controls braking / brake release of the hydraulic motor s static brake after left rotation and right rotation information issued from hydraulic joystick. 26 [4.96] 0 [4.33] X +, +0.04 65,4 [6.5 ] -,3-0.05 40,4 ± 0,7 [5.528 ± 0.028] 50 [.97] 36 [.42] 7 [0.67] 44 [.73] 30 [.8] 6 [0.63] T B SH B CW T SH CCW ort Hydraulic de-braking ports characteristics unction ISO 79- (GZ) ISO 926- (UN) Brake pressure G /4 9/6-8 UN-2B X ilot G /4 9/6-8 UN-2B rain G 3/8 3/4-6 UN-2B 2 9/02/204
OCLIN HYRULICS Hydraulic motors MZE03 utomatic electrical de-braking valve C 2 3 2 M Z E 0 3 3 0 3 2 3 4 2 3 S 3 4 5 6 Electrical de-braking valve controls braking / brake release of the hydraulic motor s static brake after left rotation and right rotation information issued from hydraulic joystick. 97 ± [3.82 ± 0.04] 36 [.42] +0,5 +0.02 52,5 -,3[6.00-0.05] +0,3 +0.0 35 [5.3 ] -,3-0.05 8 [0.7] 9 [0.75] 40,4 ± 0,7 [5.528 ± 0.028] Valving systems Characteristics Model code T B SH B CW T SH CCW Brake ort Electrical de-braking ports characteristics unction ISO 79- (GZ) ISO 926- (UN) Brake pressure G /4 9/6-8 UN-2B rain G 3/8 3/4-6 UN-2B Options Installation 9/02/204 3
Hydraulic motors MZE03 OCLIN HYRULICS 4 9/02/204
OCLIN HYRULICS Hydraulic motors MZE03 INSTLLTION Hydraulic motor setting Set the pinion shaft of hydraulic motor depending on the minimum radius of the ring gear (distance ), usually indicated with a point on the ring gear by the manufacturer. inion shaft of hydraulic motor xis of ring gear Ring gear Valving systems Characteristics Model code Customer s chassis recommandations Brake Ra V 2,5 μm [0.49 μin] S 0,2 [0.008] Ø U Ø U 2 3 4 2 4 ØU See page 7 8 x M6 x 2 8 x M2 x,75 CHC type only Class 2,9 2,9 * : Min. values for torque and load to be transmitted L L = Effective contact length * 230 N.m [70 lb.ft] 45 N.m [07 lb.ft] Options Installation Take care over the immediate environment of the connections. 9/02/204 5
Hydraulic motors MZE03 OCLIN HYRULICS 6 9/02/204
OCLIN HYRULICS Hydraulic motors MZE03 OTIONS M Z E 0 3 3 Brake environmental cover without plug No plug or hole in the cover. C 2 3 2 3 2 3 4 2 0 3 You can accumulate more than one optional part. Consult your oclain Hydraulics sales engineer. S 3 4 5 6 Valving systems Characteristics Model code luorinated elastomer seals Brake Nitrile seals marked in the figure below replaced by fluorinated elastomer seals. Consult your oclain Hydraulics sales engineer. 6 Industrial support Reduction of around 50% from the rated value in the bearings' preload value. Without external loads, increases the lifetime of the bearing support. 7 iamond or a precise calculation, consult your oclain Hydraulics application engineer. Options Installation Special treatment of the motor core which considerably increases its strength, making the motor much more tolerant to temporary instances of the operating conditions being exceeded. 9/02/204 7
Hydraulic motors MZE03 OCLIN HYRULICS Special paint or no paint The motors are delivered with oclain Hydraulics yellow ochre primer as standard. Consult your oclain Hydraulics application engineer for other colors of primer or topcoat. H High efficiency Reinforced piston sealing to improve volumetric efficiency. or a precise calculation, consult your oclain Hydraulics application engineer. M High speed or reduced charge pressure Option M leads to: In the case of MZ02: Reduction in charge pressure. In the case of MZE02: n increase in speed limit and a reduction in charge pressure. or a precise calculation, consult your oclain Hydraulics application engineer. Customized identification plate Your part number can be engraved on the plate. Consult your oclain Hydraulics application engineer for other possibilities. 8 9/02/204
OCLIN HYRULICS Hydraulic motors MZE03 Options Installation Brake Valving systems Characteristics Model code 9/02/204 9
oclain Hydraulics reserves the right to make any modifications it deems necessary to the products described in this document without prior notification.the information contained in this document must be confirmed by oclain Hydraulics before any order is submitted. Illustrations are not binding. The oclain Hydraulics brand is the property of oclain Hydraulics S.. 9/02/204 B0952W www.poclain-hydraulics.com