mechanical Engineering  and Quality Control
Where ideas with decision are engineered to precision...
Contact details:
  110 Brenchley Dve,
 

Atwell, 6164   WA

Phone: (08) 9414 5960
Mobile: 0418 905 602
E-mail: enquiries@meqc.com.au 
DESIGNING - PROTOTYPING - MANUFACTURING - TESTING - EVALUATION - RESEARCH SUPPORT - CONCEPTUAL DESIGN

 

Sample Splitters

Large and small

 

 

 

 

Splitters large and small

Precision Riffle splitters with controlled sample discharge

 


Riffle Splitter

 

 

 

Riffle Splitter open


Available with 3 mm to 20 mm slots width, specified by the client or selected from recommended standard sizes. Standard sizes conform to the Australian Standard AS 1141.2-1999 & ISO 3082:1998(E)

The splitters are separable. The slots width and quantity can be adjusted to suit laboratory requirement. Design of the slot protecting lining is covered by Patent N°2010100147.

Splitters are made from Stainless Steel with an electro polishing finish. They are suitable for Food, Pharmaceutical and Geotechnical laboratories.

Splitters feature two dust hoods to minimise dust pollution when operated and a swivelled carrying handle. The swivelled handle provides for extra comfort when shifting the unit around the premises.

The dust hoods are conveniently hinged and allow for easy inspection of the riffles to check for blockages. By lifting the dust hood the operator has clear access to quickly rectify this type of problem.

 

 

Precision Splitter animation

 

 

 

Available Configurations:

Splitters 16 x 3 32 x 3 16 x 6 12 x 7 34 x 6 30 x 7 16 x 10 12 x 13 16 x 13 16 x 20
Number of Slots 16 32 16 12 34 30 16 12 16 16
Slot Size, mm 3 3 6 7 6 7 10 13 13 20
Hopper Capacity, L 0.23 0.6 0.55 0.46 3.7 3.75 2.72 2.72 3.7 5.8
Each Tray Capacity, L 0.2 0.575 0.53 0.53 2.24 2.24 1.67 1.67 2.24 3.3
Trays per splitter 2 2 2 2 2 2 2 2 2 2
Splitter Weight, kG 1.3 4.22 2.74 2.6 8.3 8.24 6.68 6.78 8.17 10.58
Note:  Plastic Trays SS Trays SS Trays SS Trays SS Trays SS Trays SS Trays SS Trays SS Trays SS Trays

The riffle splitter on the left is shown with the dust hoods
open and carrying handle in the upright position.

Below is the splitting ratio test of the 16 x 13 mm Precision Riffle Splitter, conducted at Sibelco Australia Limited, South Australia. The testing personnel filled the hopper and proceeded to weigh the material from 3 splits of progressively less material. The results are as follow:

 

Left tray (g)

Right tray (g)

Total (g)

% Left Tray

% Right Tray

Split 1

3047

3059

6106

49.90

50.10

Split 2

1527

1530

3057

49.95

50.05

Split 3

764

765

1529

49.97

50.03

Here is another test done at the same laboratory after using one of our splitters for a while

Dear Igor,

I did a test on one of the splitters you made for us. I chose the one that has done the most work. Below are the results from the testing for your reference. There is a little bit of variation but nothing that concerns us.

Left Side (g)

Right Side (g)

3238.97

3271.31

1628.31

1641.54

818.66

821.45

409.16

410.86

203.9

205.54

101.39

102.73

50.2

51.11

We have been very happy with the splitters. I would certainly be happy to act as a reference if you ever need that.

Regards,
Daniel Maluga

Three-Tiered Precision Riffle Splitter

 

Three Tiered Riffle Splitter - front

Three Tiered Riffle Splitter - back


 

An ME&QC exclusive: this Three-tiered splitter is designed for use in laboratories. Ideal for projects where large quantities or big samples need to be reduced in size quickly.

The splitter incorporates all the best in development of a Single tier Precision Riffle splitter, as described in the section above.

The splitter is made from Stainless Steel with electro-polishing finish. Suitable for Food, Pharmaceutical and Geotechnical laboratories.

 

Three Tiered Riffle Splitter - one front cover open
The riffle splitter is shown with one
of the front covers lifted.

Three Tiered Riffle Splitter - back cover open
Back cover is lifted for riffles inspection

Laboratory Riffle Splitters welded. (Slot Width from 6 mm to 12 mm)

 

 

 

Main features of the splitters are:

  • Deep loading bunker which eliminates accidental spillage of the sample over the side of the splitter.

  • Does not require special trays to contain samples. In fact, most of the containers purchased off the shelf will do the job.

  • One support frame will fit for a range of splitters.

  • The size of the unit is convenient for handling. In other words it is not too small as to be uncomfortable to work with.

  • The splitter is made of Stainless Steel SS-316, with electro polish finish. The support frame is made of aluminium plate, with powder coat finish.

    The support frame can be made out of Stainless Steel if required.

    The unit is perfect to use when it comes to split small batches of different material samples.

    Optional features:

    1. Dust hood can be incorporated into design upon request.
    2. Special purposes trays are available.


Large Riffle Splitters. (20 mm to 60 mm slot width)

 

 

Main features of the splitters are:

  • Dust hood and fully covered receiving trays eliminate the excessive dust pollution when operated.

  • Special provision is made in the design to handle tipping over heavy loads, hence increasing the accuracy of the split.

  • Supplied with three trays.

  • Removable dividing head. Once the head is worn out it can be replaced without the need to buy a whole Riffle Splitter anew.

  • One support frame will fit for a range of splitters.

  • The sizes of the slots for different dividing heads are conforming to
    ISO 3082:1998(E) Standard.

  • The splitter is made of Stainless Steel SS-316, with electro polish finish. The support frame is made of Mild Steel, with powder coat finish.

    The support frame can be made out of Stainless Steel if required.

 

 

 

Large Riffle Splitter animation

 

 

 

 

 

 

 

 

  Large Riffle Splitter with washing facility to clean the splitter out easily between operations. For the conditions when used on sticky materials such as bauxite ore. Stainless Steel body with three anodised aluminium trays.

 

Two-Tiered Splitter

 

Two-tiered splitter front

 

 

An ME&QC exclusive, this two-tiered splitter is designed for use in the field or in the lab. Ideal for drilling projects where large quantities or big samples need to be reduced in size quickly.

The front dust hood is hinged. That allows for easy inspection of the riffles. It is although convenient in case of riffles are getting blocked. By lifting the hood an operator gets clear access to the riffles. That makes rectifying a problem and cleaning between samples a snap.

Standard configuration of the splitting heads is 14 x 30 mm. The width and quantity of the slots can be specified by a customer. Available slot widths are 20mm, 25mm, 30mm and 35mm.

The riffle splitter is made out of Stainless Steel with electro polishing finish. Suitable for Food, Pharmaceutical, Geotechnical laboratories and field work.

Rear view

Cover off view

 

The riffle splitter shown with the front cover lifted.

Micro Riffle Splitters

 

Available with 16 slots, 3mm slot width.

The splitters are made from stainless steel with an electro polishing finish. They are suitable for Food, Pharmaceutical, Metallurgical, Geotechnical laboratories.

The splitters feature two dust hoods to minimise dust pollution when operated.

The dust hoods are conveniently hinged and allow for easy inspection of the riffles and to check for blockages. By lifting the dust hood the operator has clear access to quickly rectify this type of problem.

 


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