Magnetic Rotary Encoder, Astec 'JR55D 0500 SDN' is repleced by 'JR105D 0500 SDN' for Burny Kaliburn
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Astec Plasma Cutter Encoder MOC_Mitaka : The Distributor of Astec

The old Astec JR55D 0500 SDN is replaced by JR105D 0500 SDN now.              Mail to MOC Mitaka

Magnetic Encoder, Astec JR55 D0500SDN, JR105 D0500SDN, Rotary Jiki Scale JR205 Sokki Electronics, MOC Mitaka
Return to Harsh Environment
   Flat Magnetic Rotary Encoder with High Accuracy Signals made by Astec (Taiho Products Co., Ltd.)
   in Japan.   Astec JR Series with magneto-resistive sensors & magnetic pulsers

Many JR55D 0500 SDNs were attached to the old Burny Kaliburn's plasuma cutters as Astec encoders could stand against harsh environment applications like metal cutting machines. Now JR105 series is avalable to take the place of JR55 series. JR105 is made, as it is difficult to get RoHS compliant parts for JR55 series.

JR105 series are RoHS compliant and the resolutions can be from 300ppr to 2048ppr now.
Its opepertion temperature range is from -20 to + 90 degree C like JR205 series.

You have a necessary job to attach a JR105D 0500 SDN onto an old machine.
Magnetic Rotary Encoder, JR55
JR55 series have been attached onto 19mm long shats. The JR105 series need to be attached onto 29mm long shafts. Therefore, 10mm longer shaft is required.   The above shown sketch is an example of how to extend the 19mm long shaft up to 29mm.

Bracket D was attached to JR55 D0500SDN.  Brackt D can be attaced to JR105 also. Return to Astec Encoder
Magnwetic Rotary Encoder, Astec JR105, JR205, JR305

Bracket C with 3 hooks (120ºaprt) is also avalable.  The hook center circle (screw hole circle) is Ø46mm.

        Encoders suitable for Burny Kaliburn Plasma Cutters
Magnetic Rotary Encoder, Astec JR55 D0500SDN, JR105 D0500SDN, Burny Kaliburn, Rotary Jiki Scale JR205 Sokki Electronics
            JR105 A0500 SDN with bracket D.

The pictures above are showing JR105 D0500SDN. One of two hooks of braket D is showing at the bottom of encoder.   JR105 series with AB signals take places of JR55 series, now. A detailed drawing of the bracket D is shown above.

Drawings of JR105 (Same with JR205)  and  JR55
JR105
(Same configuration with JR205) JR105 takes the place of old JR55 now. Magnetic Rotary Encoder, JR205, Rotary Jiki Scale JR205 Sokki Electronics

JR55 is not avalable any more. This drawing is only for comparison with JR105.Astec JR55 D0500SDN, JR105 D0500SDN, MOC Mitaka Return to Astec Encoder
Magnetic Rotary Encoder, JR55

MOC_Mitaka, Magnetic Encoder
Information about JR Series :

Part Number Table: Magnetic Rotary Encoder, JR Series
  All part numbers of JR Series are shown on the above stated table.
  Information about 4 differnt brackets,
A (Standard: screw hole circle Ø60mm),
B (Bent type of A),
C (3 hooks: screw hole circle Ø46mm) and
D (2 hooks: screw hole circle Ø46mm)Astec JR55 D0500SDN, JR105 D0500SDN, MOC Mitaka is stated on the 2nd. page.
  Please use this table to find what you need.

Brochure: JR205, 305 Series (AB+Z Signals) & JR105 Series (AB Signals)
  Standard Type JR205 and its versions are explained in details.

  (1) JR205: Standard Type with AB+Z signals.
Resolution: 300, 360, 500, (600), 1000, (1200), 1024, 2000 & 2048 ppr.
Old JR205 with a brand name of Rotary Jiki Scale used to be sold by Sokki Electronics until early 1990s.
  (2) JR215:   High temperature resistant version of JR205.
  (3) JR305:   High humidity resistant version of JR205.
  (4) JR215s: High temperature & humidity resistant version is avalable on special request.
  (5) JR105:  AB signal version of JR205.

Brochure:  AB Signals, JR55 Series only for reference.
  Sales of JR55 is obsolete as we have a difficulty of getting RoHS compliant parts.

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