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MIRA BB-86
BB-86

Counterbore Unit


After surfacing of a Diesel engine block, the height of the counterbores
must be readapted to the size of the liner rims, less the amount of the protrusion. The portable MIRA BB-unit does this job in a simple, quick and
extremly precise operation.
VG-91
Universal low cost valve seat refacing unit

VGX-21
New valve seat refacing unit

CENTRONIC CE-93
Computer controlled valve seat refacing

MIRA HM-2000 HEADMASTER
Working center

MIRA HMX-2000 HEADMASTER
Working center

TOOLSETS
Swiss made precision Toolhead System

VARIO DRIVE
Electronically contr. variable speed drive

MULTIVAC
For final vacuum testing of the valve seat

HSM-220
Formtool Grinding Machine

BB-86
Counterbore Unit

MVP-23
Pneumatic Valve Spring Press

VSM-25
Valve Grinding Machine


Order Number: BB-86
  The MIRA BB-86 devices are available in the following models:

BB-86 Standard
/ 170 mm (inside magnet diameter)
BB-86 "Giant"   / 198 mm (inside magnet diameter)

Voltage: 110/ 230 Volt
Weight: 5.8 Kg


Ask for detailed Product Specifications and Special Tooling!
 
To guarantee a perfect seal between engine block and wet liners, the counterbore seats in an engine block must be refaced during engine overhaul and in case of leaks. This job is rapidly and simply carried out with the very accurate BB unit. Its centering is automatic and the unit is clamped by means of an electro magnet. As the unit is placed directly on the sealing surface of an engine block, the refaced couterbore seats will automatically be parallel with the sealing surface. The refacing procedures can be carried out on installed as well as on removed
engine blocks or even built-in underfloor engines.