Linear Modules with toothed belt drive MKR-140-NN-3

Description

Product description

Integrated Measuring System for MKK-080-NN-3, MKK-110-NN-3 and MKK-140-NN-3

The IMS-A measuring system offers the following advantages:

• No additional space required.

• No external mounting surfaces required for the measuring system.

• No measuring inaccuracies due to deviations in parallelism between the measuring system and the guide system

• Full integration of the measuring system components into the guide means no complex assembly or tuning work is needed

• The runner block, measuring head and guide rail with scale can be replaced individually during servicing.

• Interfaces: HIPERFACHE or DRICE-CLiQ.

• Connection cable directly on the side of the carriage.

Material pairing

ALST:

• Main body, carriage and end enclosures made of anodized aluminum (AL)

• MKR-065/-080/-110/-140/-145: ball rail and ball runner block made of rolling bearing steel (ST)

• MKR-040: Ball rail and ball runner block of rust and acid resistant material

• Grooved ball bearing of the drive mechanism (belt pulleys) made of rolling bearing steel

ALCR:

• Frame, carriage and end enclosures made of anodized aluminum (AL)

• MKR-065/-080/-110/-140/-145: Ball rail made of rolling bearing steel with corrosion resistant coating, matte-silver finish, hard chrome plated (Resist CR). ball runner block made of corrosion-resistant steel (Resist NR)

• MKR-040: Ball rail and ball runner block of rust and acid resistant material.

• Grooved ball bearing of the drive mechanism (belt pulleys) made of rolling bearing steel

LSS

lubrication versions: (Initial lubrication done at the factory)

• Initial standard greasing done at the factory, suitable for normal ambient conditions.

• Simple relubrication via manual grease gun.

• MKR-065/-080/-110/-140/-145: Grease lubricant Dynalub 510, NLGI grade 2 lithium-based high-performance grease according to DIN 51818 (KP2K-20 according to DIN 51825)

• MKR-040: Grease lubricant Dynalub 520, lithium-based high-performance grease of the NLGI grade 00 according to DIN 51818 (G00K-20 according to DIN 51826)

LPG: (Corrosion prevention, no initial lubrication)

• Linear module without initial greasing done at the factory.

• Ball rail system, only with corrosion prevention.

• Basic lubrication required

LCF: (prepared for connection to central lubrication systems with liquid grease)

• for liquid grease, NLGI grade 00 lithium-based high-performance grease according to DIN 51818 (GP00K-20 according to DIN 51826)

• Only use liquid grease lubrication with single-line total-loss lubrication systems via piston distributors.

• Basic lubrication required

LCO: (prepared for connection to central lubrication systems with oil)

• ball runner block with integrated non-return valves

• Only use oil lubrication with single-line total-loss lubrication systems via piston distributors.

• Basic lubrication required

Structure and attachments

Structural design

1 End head (drive side)

2 Toothed belt (covered)

3 Carriage with runner block

4 Sealing strip for MKR-040/-065/-080/-110/-140

5 Strip fixing for MKR-040/-065/-080/-110/-140

6 End head (clamping side)

7 Main body

Attachments

8 Cable channel

9 Switch bracket

10 Proximity switch

11 Mechanical switch

12 Socket/plug

13 Magnetic field sensor

Models

Journal for motor attachment right or left	Journal for motor attachment on both sides	With gear reducer (motor mounting via clamping hub)

Carriage variants

For further information, see the "Carriage dimension drawings" section of the "Dimensions" chapter.

Carriage
with T-slots		with threads
short	length	short	length

Technical data

General technical instructions

Note on dynamic load capacities and load moments

Determination of the dynamic load capacities and load moments is based on a travel life of 100 000 m. Often only 50 000 m is actually stipulated.

For comparison:

Multiply values C, Mt and ML from the table by 1.26.

Suitable loads

Regarding the desired nominal life, in general loads for Fcomb, Fm up to around 20 % of the dynamic characteristic values (C, Mt, ML) have generally proven suitable.

See the "Calculation" document in the "Project planning instructions" chapter for the respective Linear Module.

Do not exceed the technical data for the Linear Motion System.

Application point of the effective force (Z1)

Modulus of elasticity E of the Linear Motion System

Length calculation of the Linear Motion System

For length calculation values, see the "General Technical Data" table.

Note: Adhere to the section "General technical instructions" and the document "Calculation" in the chapter "Project planning instructions".

Load capacities and moments

General technical data

General Technical Data dependent on design / gear unit

Note: Adhere to the section "General technical instructions" and the document "Calculation" in the chapter "Project planning instructions".

Getriebedaten

Note: Adhere to the section "General technical instructions" and the document "Calculation" in the chapter "Project planning instructions".

Drive data

Size	i	Mp	u	vmax		Lca	kJ fix	kJ var	kJ m	MRs	d3	Bt	Fbp4)	Ft zul5)	cspe	amax
		Nm	mm/U	m/s		mm	kgmm2	kgmm	mm2	Nm	mm		N	N	N	m/s2
MKR-140	11)​	300,00	360,0	5,0		370	32215	3,8113	3286	9,6	114,59	60AT15	5233	14770	3,80 x 106	50
	13)	200,00				5006)	37886
						2 x 370	58467			12,1
	52)	60,00	72,0	5,0		370	32630			9,6
	122)	25,00	30,0	3,2		5006)	38301
	162)	18,75	22,5	2,4		2 x 370	58882			12,1

Normal operating conditions

Note: Application of dirt is not permitted!

Legend

Maximum values for each size

Diagrams/characteristic curves

Deflection

Take note of the "General Technical Instructions" part of the "Technical Data" section.

Example

MKR-080 Linear Module: L = 3000 mm, F = 1000 N

from diagram MKR-080: f = 1.55 mm, fmax = 3.75 mm

The deflection f lies well below the maximum permissible deflection fmax, so no additional supports are required.

The following diagram is valid for:

• fixed clamping (200 to 250 mm per side)

• 6 to 8 screws per side

• pay attention to fixed substructure

• Lmax; See Table "General technical data" in the section "Technical data"

Dimensions

All dimensions in mm. Drawings not to scale.

Frame dimension drawings

1a / 1b lube fitting for guideway: lubrication on either of the two connections. (funnel-type lube nipple DIN 3405-AM6)

Dimensions

Optional frame with centering holes and elongated hole on the underside

Dimensions

Carriage dimension drawings

Carriage with thread (short / long)

Dimensions

Carriage with T-slots (short / long)

Dimensions

Carriage with threads and IMS

Dimensions

Carriage with T-slots and IMS

Dimensions

T-nuts

Dimensions

IMS connector

Dimensions

Project planning information

Mounting

Mounting

General information

The linear modules are mounted using various fastening elements:

• Clamping fixtures

• Sliding blocks for size -110 and up

• Square nuts

• Spring nuts

• Screws for T-slots as per DIN 787 (no picture).

Length depends on base.

When mounting Linear Modules, please note the maximum tightening torques listed in the table.

Tightening torques of fastening screws

with friction factor 0.125 strength class 8.8

	8.8	M4	M5	M6	M8	M10	M12
	(Nm)	2,7	5,5	9,5	23	46	80

Mounting with clamping fixtures

Mounting with sliding blocks

Do not support the linear module on end enclosures, end blocks or on end plates!

The frame is the load-bearing part!

Overview of the switching system

1 Socket and plug

2 Mechanical switch with attachments

3 Proximity switch

4 Switch bracket

5 Mounting channel / cable channel

6 Magnetic field sensor with fixed potted cable

(Reed/Hall sensor (for mounting channel))

7 Reed/Hall sensor with plug and sensor holder

7a: Magnetic sensor

7b: Sensor holder incl. set screws (loose) and square nut

7c: Cable holder (3 pcs) incl. set screw (loose)

7d: M8x1 plug (3-pin)

8 Magnetic switch with M8x1 plug

9 Clamping screw

10 Sliding block

Switch mounting MKK/MKR/MLR-xxx-NN-x

MKK/MKR-xxx-NN-3

MKK/MKR/MLR-xxx-NN-x

Proximity sensors, mechanical switches and accessories (MKK/MKR/MLR)

Mounting instructions:

The mechanical switches, the proximity sensors and the socket with plug and cable channel are fastened with attachments in T-grooves of the main body. Switch activation is carried out by a switch bracket on the carriage.

Proximity sensor with additional attachment for sizes -065, -080, -140, -145, -165	Proximity sensor with additional attachment for size -110	Mechanical switch with attachment for sizes -065, -080, -140, -145, -165

Socket and plug, cable duct

Attach the socket to the side with the most switches. The socket and plug are not pre-wired. The variable sliding attachment allows switching positions to be optimized during start-up. The plug can be mounted in three directions.

Cable duct

The cable duct is fastened in the T-slots on the side of the frame. Fastening screws widen the profile and ensure that the cable duct is securely mounted.

See the illustration for the position of the slot.

The cable duct will accommodate up to two cables for mechanical switches and three cables for proximity switches.

Fastening screws and cable grommets are included.

Mounting examples of switches

Determination of the switching position

Switching distance: The switching distance is the distance between the carriage center (TM) and the zero point (0) when a switch is actuated (indicated in mm). Example of a mechanical limit switch (assuming the zero point is at L/2):

Maximum switching distance = 0.5 x (max. travel distance) – excess travel = 0.5 x effective stroke

For safe operation of the linear module the excess travel must be greater than the braking path.

For MKR... and MLR...: The acceleration travel sa can be assumed as the reference value for the braking distance.

For MKK...: In most cases, the following is sufficient as a guideline value for the excess travel (braking path): Excess travel = 2 x screw lead P.

Note the smallest possible switching distance (determined by attachments):

mechanical-mechanical = 60 mm; mechanical-proximity = 45 mm; proximity-proximity = 28 mm.

for MKR-145: mechanical-mechanical = 62 mm; mechanical-proximity = 49 mm; proximity-proximity = 35 mm

The switches as well as socket with plug are fixed in the upper T-slots of the frame and actuated by a switch tab on the carriage.

Mounting side of the switches:

Commissioning

Parameterization (start-up)

The nameplate contains reference information on the production of the linear motion system as well as technical start-up parameters.

Position	Symbol	Description
1	CNR	Customer's part number
2	TYP	Short product name
3	110	Size
4	CS	Customer information
5	MNR	Part number
6	FD	Manufacturing date
7	7210	Manufacturing location
8	smax	Maximum travel range
9	u	Lead constant without motor attachment
10	vmax	Maximum speed
11	amax	Maximum acceleration travel
12	M1max	Maximum drive torque at motor journal
13	d	Direction of motor rotation to move in positive (+) direction CW = clockwise CCW = counter clockwise
14	i	Gear ratio
15		QR code

Maintenance

Delivery notes

Form of delivery

Product generation 3:

Linear Modules with a ball screw drive or belt drive are delivered fully assembled.

Gear/motor attachment interface:

If a combination of attachment interface, gears and motor has been selected, the attachment of the components is done as shown in the figure below. When ordering Linear Modules with only an attachment interface (without gears and motor!), not all parts can be mounted. Final assembly must then be carried out by the customer. All necessary instructions and parameters for professional assembly are included. The installation version is selected and determined during product configuration, and it is a part of the order key.

MKR with planetary gearbox (G010, G011)

1 Linear module

2 Motor

3 Mount and coupling

4 Timing belt side drive

5 Carriage

6 Motor connector

7 Gearing

Motor connector position

• Linear Module in horizontal installation position (carriage at the top)

• View toward the motor from the rear

• For selectable motor connector locations, see "Order details" chapter, "Configuration and ordering" document.

Example:
timing belt side drive S270
Motor connector position 180°

Integrated Measuring System

IMS-A connector is always on the right (note the direction of vision).

Switching system

Magnetic sensors are included as loose parts. Further switching system components can be ordered from the range of accessory products. The exact setting of the position must be carried out before start-up. See “Mounting” chapter.

Lubrication

On delivery, Linear Modules of product generation 3 are supplied with initial greasing, preserved or prepared for connection to a central lubrication system according to the optionally selected lubricant version. For information on lubricants, see section “Maintenance”.

Documentation

Each Linear Module is supplied with the appropriate documentation.

Safety Instructions

Required and supplementary documentation

For further instructions and information, please refer to the documentation for this product.

You can find PDF files of these documents on the Internet at www.boschrexroth.com/mediadirectory.

We would also be happy to send you the documents that you want.

If you are unsure about using this product, please contact Bosch Rexroth.

Motor attachment

Measurement and test reports

Downloads

	Declaration of Incorporation for single axis Linear Motion Systems Certificate | R320103141 | 2020-06-01 | All languages | PDF | 409k Product Groups: Linear axes and electromechanical cylinders
	Safety Instructions for Linear Motion Systems Manual | R320103152_en | 2015-01-01 | English | PDF | 593k Product Groups: Linear axes and electromechanical cylinders
	Linear Modules MKK/MKR/MLR -040/-065/-080/-110/-140/-145-NN-3/-165-NN-2 Manual | R320103169_EN | 2021-11-01 | English | PDF | 6.9MB Product Groups: Linear Modules only available as PDF
	Linear Modules MKK / MKR / MLR Catalog | R999000496 | 2021-03-01 | English | PDF | 17.5MB Product Groups: Linear Modules