Access is a low-backlash planetary gearbox designed for moderate to medium-duty applications with variations of torque. Access can have a circular ("Access CI") or a square ("Access SQ") output interface.
|Radial load rating||+++|
|Axial load rating||+|
|Suitable to servomotor applications||YES|
|Number of sizes in this line||3 (40 to 90)|
|Angular backlash||<5 arc-min (1 stage) or <8 arc-min (2 stages)|
|Optional backlash||<3 arc-min (1 stage) or <5 arc-min ( 2 stages)|
|Available ratios||3 to 100|
|Motor shaft connection||Balanced coupling|
Access is an economical, low-backlash planetary gearbox.
The planet carrier is a cage, to provide stiffness and acceleration capacity. It is monobloc with the output shaft.
High radial loads can be accepted thanks to the 2 radial ball bearings supporting the shaft.
The planetary ring is monobloc (belongs to the housing), to reinforce stiffness.
This construction improves acceleration capacity and acceptance of torque variations.
We recommend this line for applications using application factor Ka<1.45 (refer to the information section for more details about application factors).
In 2 stage-gearboxes, the input stage is cantilevered (does not use a cage), in order to lower the intertia, the weight and the length of the gearbox. The output stage always includes a cage, in order to provide stiffness and longer life in heavy-duty conditions.
The motor shaft connection is a balanced coupling, so the efforts on your motor bearings are minimal.
Installation is fast and easy thanks to a 1-screw lock to your motor shaft.
The input flange features weight reduction.
The gearbox will be delivered with the adapting flange corresponding to your motor.
MEDIUM ACCELERATION CAPACITY
The planet carrier is a cage, designed to increase torsional stiffness. It is strongly supported by 2 radial ball-bearings, to ensure perfect alignment of the gears, even at maximum torque. This design is adapted to moderate to medium-duty torque variation or acceleration where a particularly low noise level is not required.
High-precision planet gears carburized and quenched steel allow high torque density and strong accelerations, year after year, without loss of precision.
They are supported by large full-complement needles (bearings without a cage), in order to maximize torque capacity and lifetime.
The Access line features low-backlash (under 5 arc-min backlash for 1-stage gearboxes, and under 8 arc-min backlash for 2 stages gearboxes)
MONOBLOC RING GEAR
The ring gear belongs to the housing, what increases stiffness and allows sharp variations of torque and acceleration.
SAFETY FOR YOUR MOTOR SHAFT
Access features a standard, balanced coupling, to limit vibration on your motor shaft and prolounge your motor's bearings life.
|1||1||ACCESS-SQ / ACCESS-CI|
|Ratio||SQ-040 / CI-050||SQ-060 / CI-070||CI-090 / SQ-090||CI-120 / SQ-120|
T2n⑴ acceptable for 20,000h
Application factor Ka=1.25
T2n⑴ acceptable for 20,000h
Application factor Ka=1.25
|Peak torque (applicable 1,000 times per hour)||2*T2n|
|Emergency stop torque Tx⑶||3*T2n|
|Angular backlash (arc-min)||1 stage||standard ≤5 ；reduced ≤3|
|2 stages||standard ≤8 ；reduced ≤5|
|Nominal input speed⑷ (rpm)||4,000||3,000||3,000||2,900|
|Maximum input speed⑸ (rpm)||8,000||6,000||5,500||5,000|
|Maximum radial load⑹ (N)||600||1,100||2,100||4,600|
|Maximum axial load (N)||510||950||1,700||4,000|
|Efficiency⑺ at full load (%)||1 stage||＞96|
|Torsional stiffness (Nm/arc-min)||0,9||2,4||7,5||31|
|Nominal/min/max operating temperature⑼||20℃ / -10℃ / +45℃|
|Max housing temperature (90°)||90℃|
|Lubricant||Sumico MP 2 grease (lubricated for life)|
|Color||Capri blue (RAL 5019)|
|Input flange||Anodized Aluminum|
(1) : Nominal output torque for 20,000 hours with a 3,000 rpm input speed in a 25°C environment.
(2) : Torque which is necessary to start the application, applicable 1000 times per hour.
(3) : 100 occurrences maximum.
(4) : Speed at which the nominal torque is applicable 20,000 hours.
(5) : Peak speed only.
(6) : Applied at the middle of the output shaft at 300 rpm.
(7) : Measured at full load and at 25°C
(8) : Lifetime at nominal torque and speed. Consult us to obtain a free estimation of lifetime in your working conditions
(9) : Room temperature. Refer to temperature factors in dedicated section.
(10) : At full power, measured at 1m.
|ACCESS CI (with a circular output)|
|2D drawings (pdf)||3D view (3D pdf*)||3D drawings (STEP)|
|ACCESS-CI-ST-050 - 1 stage - ratios 3 to 10||ACCESS-internal view||3D STEP drawings will be avilable for downlaod soon. Do not hesitate to contact us to get the drawing adapted to your motor.|
|ACCESS-CI-ST-050 - 2 stages - ratios 12 to 100|
|ACCESS-CI-ST-070 - 1 stage - ratios 3 to 10|
|ACCESS-CI-ST-070 - 2 stages - ratios 12 to 100|
|ACCESS-CI-ST-090 - 1 stage - ratios 3 to 10|
|ACCESS-CI-ST-090 - 2 stages - ratios 12 to 100|
|ACCESS SQ (with a square output flange)|
|Plans 2D (pdf)||Vue 3D (3D pdf*)||
Les plans 3D seront disponibles au téléchargement prochainement. N'hésitez pas à les demander à partir de la page contact.
|ACCESS-SQ-ST-040 - 1 stage - ratios 3 to 10||ACCESS-internal view|
|ACCESS-SQ-ST-040 - 2 stages - ratios 12 to 100|
|ACCESS-SQ-ST-060 - 1 stage - ratios 3 to 10|
|ACCESS-SQ-ST-060 - 2 stages - ratios 12 to 100|
|ACCESS-SQ-ST-090 - 1 stage - ratios 3 to 10|
|ACCESS-SQ-ST-090 - 2 stages - ratios 12 to 100|
*To view the 3D pdf file, save the file first and open it with Acrobat as your web browser might not enable 3D views. You will need to enable the 3D view in Acrobat reader when asked. Click and drag your mouse to discover the gearbox construction. You can zoom in and out, and right-click to hide components and see what's behind them.
Do not hesitate to contact us in case of question or doubt.
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