MINIDEX
Miniature Precision
Air Rotary Indexer



Minidex Miniature Precision Air Rotary Indexer


  MINIDEX CHARACTERISTICS

The Kamo Seiko MINIDEX is an extremely small intermittent motion pneumatically driven actuator. The MINIDEX offers double ended output shafts that are incorporated in a manner that allows the use of an integrated pneumatic drive with both indexing and positioning capability as standard. Stop positions of the MINIDEX are exact with the use of internal locking pins and contribute to accuracy of positioning and repeatability without overrunning or external stops. The compact cylindrical form factor of the MINIDEX allows for installation in limited space without sacrificing performance or accuracy. Available in various stop locations per revolution of output shaft, the MINIDEX is a versatile device unmatched by another device of its size.

  PLUMBING METHOD   INDEXING METHOD
Plumbing Method Diagram Indexing Method Diagram

  INTERNAL CONSTRUCTION (TYPICAL)

Diagram of Internal Construction (Typical)

  MOTION PROFILE

One complete index of the MINIDEX is achieved with a compound movement as illustrated below.

Motion Profile Figures
  SPECIFICATIONS

Item/ModelUnitMD20MD30MD50MD75Notes
Index NumberStops2,3,4,6,82,3,4,5,
6,8,10,12
2,3,4,5,
6,8,10,12
2,3,4,5,
6,8,10,12
 
Index Accuracyarc•min±12±8±6±4arc minutes
Index Speedseconds0.50.51.01.5no load (t)
Maximum Air Pressurekg/cm²
psi
7
(100)
7
(100)
7
(100)
7
(100)
 
Index Torque Air Pressure Dependent – See Chart
Internal Volumecm³
(ci)
10
(.61)
18
(1.1)
150
(9.2)
220
(13.4)
 
Body Weightkg
(lbs)
0.5
(1.1)
0.8
(1.8)
4.5
(10)
12
(26)
 
Minimum Holding TorqueN • m
(lb • in)
0.49
(4.4)
2.94
(26)
11.7
(104)
51
(450)
at 60 psi
Load Inertiakg•cm²
(in•lb•sec²)
50
(.044)
100
(.089)
1000
(.885)
6000
(5.31)
Maximum Value
Operating Load - AxialN
(lbs)
9.8
(2.2)
24.5
(5.5)
58.8
(13.2)
98.0
(22.4)
Load at shaft end
Operating Load - RadialN
(lbs)
14.7
(3.3)
29.4
(13.2)
98.0
(22.0)
196
(44)
Load at shaft end
Lubrication NRNRNRNR 

  DIMENSIONS

Diagram of Dimensions
  MD SERIES DIMENSIONS

Model No.\
Letter
ABCDEFGHIJKLMNOP
MD20379314335354420253x1.8x168h722h767º30'M54–M4
x10
30
MD305011216458327520203x1.8x168h728h722º30'Rc 1/84–M5
x12
40
MD507018225085612232324x2.5x2512h736h720ºRc 1/46–M6
x13
58
MD75100260
(215)
370
(325)
135
(105)
653352525x3x4017h750h7on lineRc 1/46–M8
x15
70
Note: Dimensions in ( ) for MD75 are for models with 6 stops or more.

  MODEL SELECTION

MD (20, 30, 50, 75), (NUMBER OF STOPS)

  INERTIA / INDEX TIME RELATIONSHIP

When designing the MINIDEX into an application, the load inertia, JL should be within the specified values. There is a correlation between indexing time and load inertia so care should be taken in determining the MINIDEX model and the indexing time to load inertia relationship.

Model No. \ Valuet (sec)Jmax
(in•lb•sec²)
MD200.50.044
MD300.50.089
MD501.00.885
MD751.55.310
 

Example: MD30-4 is defined as a Model MD30 with 4 stops per revolution.

Formulas for Inertia/Index Time Relationship

  AIR PRESSURE / INDEX TORQUE RELATIONSHIP

Charts of Air Pressure / Index Torque Relationship

Indexers are warranted to be free from defects in material and workmanship for one year after shipment on condition that the Indexer is installed properly and operated under conditions specified by us. Defects in material and/or workmanship will result in replacement of the defective unit by the distributor. The unit should be returned freight prepaid to Lansea Systems Incorporated for evaluation and determination of warranty failure. Consequential damages or time required to install or replace the defective unit are not covered.

Specifications and dimensions are subject to change without notice.

This product is manufactured by Kamo Seiko Corporation, Aichi Prefecture, Japan. Subject to change without notice.



LANSEA SYSTEMS INCORPORATED
65 Manet Avenue  · Quincy, MA 02169
Phone: 617-877-9773
Email: info@lanseasystems.comhankdone@gmail.com


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