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RMP40 Compact touch probe

RMP40

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The RMP40 combines the miniaturisation of the OMP40-2 with the radio capability used in the RMP60 and RMP600. It uses the 2.4 GHz frequency band that is compliant with radio regulations worldwide and compatible with any Renishaw RMI interface/receiver.

With RMP40, machining centres fitted with small HSK and taper spindles can now benefit from FHSS radio transmission technology. It is ideal for multi-axis milling applications where the line of sight between the inspection probe and interface cannot always be maintained.

 

 The RMP40M is also available which enables probe inspection of part features that would be inaccessible to the standard RMP40. It allows fitment of adaptors, extensions and Renishaws LP2 touch probe.

RMP40 features and benefits


Simple set-up
Unlike fixed frequency systems, with the RMP40 there is no need to allocate a specific radio channel.

Compact and robust
The RMP40 is ideal for machines of all sizes and can access surfaces cut with short tools. Its robust stainless steel body makes it suited to the harshest machine environments.

Ideal for retrofit
The RMI (a combined antenna, interface and receiver) can be positioned anywhere near the machine, resulting in a fast installation.

Frequency hopping spread spectrum transmission
Renishaws FHSS transmission for probes allows the RMP40 and RMI to hop frequencies together to provide reliable communications.

Miniaturisation
Miniaturisation of electronics has allowed the development of an ultra-compact radio probe measuring only 40 mm in diameter and 50 mm in length; Renishaws smallest radio probe.

Simple and safe programming
Patented Trigger Logic™ enables users to configure the system without access to the internals of the probe.

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RMP40 Specification


Specifications  
Dimensions Diameter: 40 mm (1.57 in)
Length: 50 mm (1.97 in)
Weight (without shank) with batteries 250 g (8.81 oz)
without batteries 230 g (8.11 oz)
Territory EU, USA, Canada and Japan
Transmission type Frequency Hopping Spread Spectrum (FHSS) radio
Radio frequency 2.402 2.481 GHz
Switch ON methods Radio M code, spin
Switch OFF methods Radio M code, spin, time out
Operating range Up to 15 m (49.2 ft)
Interface/receiver RMI combined antenna, interface and receiver unit
Sense directions Omni-directional: ± X, ± Y, +Z
Uni-directional repeatability 1.0 µm (0.00004 in)*
Stylus trigger force** 5.85 N, 585 gf (20.6 ozf)
Stylus overtravel XY plane ± 12.5o
+Z direction 6 mm (0.24 in)
Battery type 2 x ½ AA (3.6 V) Lithium Thionyl Chloride (LTC)
Battery life (using LTC) stand by 290 days
5% usage 170 days
continuous life 450 hours
Sealing IPX8 (BS 5490, IEC 60529) 1 atmosphere

* Performance specification is for a test velocity of 480 mm/min (18.91 in/min) with a 50 mm (1.97 in) ceramic stylus. Test velocity does not constrain performance in application.

** The stylus trigger force is the force exerted on the component when the probe triggers. However, the maximum force applied to the component will occur after the trigger point and will be greater than the trigger force. The magnitude depends on a number of factors affecting probe overtravel including measuring speed and machine deceleration. If the forces applied to the component are critical, contact Renishaw for further information.

 

RMP40 software options

The following software packages can be used to program probing routines for work piece set-up and inspection on CNC machining centres
  • EasyProbe - entry-level package for simple work piece set-up
  • Inspection - basic set-up and work piece inspection cycles, with automatic update of offsets
  • Inspection Plus - an integrated suite of inspection cycles including vector measurement
  • Productivity+™ Active Editor Pro - a PC-based software package with GUI, allowing the user to select features directly from an imported CAD model, making the generation of probing cycles even easier.
OMP40-2 accessories
Part number Description
A-4071-1166 Square battery cassette
P-BT03-0007 Batteries (pack of 2)
A-5000-3709 PS3-1C stylus 50 mm
A-4071-0060 OMP40-2 tool kit 
A-4071-0031

OMP40-2 shank adaptor kit
(for mounting OMP40 to OMP60, MP10, MP12 and MP700 type shanks)


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