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PARVEEN rotary three point reamer consists of the rolling reamer cutters, reamer pin, cross pin, bearing block, cap screws and lock washers. The design of a main body is simplified, so as to let the driller easily carry out the exchange operations of the reamer cutters and the bearing block. These are designed basically for maintaining hole size and to provide stability to the drill string. Body is made of AISI 4145H (M).
Parveen rotary reamer body is classified as below depending upon the purpose of use.
1. The connection of string reamer (three point) being with box up and box down.
2. The connection of string reamer (three point) being with box up and pin down.
3. The connection of bottom hole reamer (six point) being with box up or pin up and box down.
Parveen rolling reamer cutters are manufactured under the severe quality control and state of art manufacturing technology de-veloped by Parveen.
Ordering Information:
- Three or six point reamer.
- Bottom hole (near bit) or
string reamer.
- Hole size.
- Drill collar O.D.
- Type of cutter.
- Size and type of top/bottom connection.
Roller reamer cutters are being made from AISI 8620/EN 36C nickel chromi-um molybdenum alloy steel and are carburized & hardened to 58-62 RC. The cutter OD's are ground to finished gauge and the bore of cutters are case hard-ened and honed to exact sizes to ensure long life to the be-aring surface.
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