MAKISHINKO ALL PRODUCTS GUIDE
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TYPESBBevel Gear Box(Spiral bevel gear)Features●High quality★Low noise★Can produce smooth operation at high speed.●Small and lightweight★Compact, powerful, and lightweight compactstructure.●Heavy-duty and robust★The casing as well as gears and bearingshave a heavy-duty, robust design, takingstrength into appropriate consideration.●Wide product lineup★Size/19~85………………………(Nine types)★Shaft arrangement/11~83…(Two shaft / 24types)111~163…………(Three shaft / 24types)213B~233B……(Four shaft / Two types)★Horizontal type ・Vertical type………(Two types)Spiral bevel gearBearing housingOil plugOil sealCasingOil sealShaft BShaft ABearings●●●●●●●●●●●Construction●GearsSpiral bevel gears are used. After aspecial steel alloy is heat-treated,the gears are lapped, whichimproves precision.●ShaftsCarbon steel is heat-treated, whichgives ample consideration towithstand high bending loads.●BearingsConical bearings are used to handlethe radial and thrust load on eachshaft.●Bearing supportShaft A (as well as Shafts C and D)is supported on one end, and ShaftB is supported on both ends.(However, shafts with a bearinghousing are supported on one end.)●CasingThe casings of Type 19 to Type 65are made of gray cast iron andstrong spherical graphite cast ironis used for Types 75 and 85.●LubricantAn oil bath lubrication system isused and a part of the gear isimmersed in oil while it rotates,thus also providing gear andbearing lubrication from finedroplets of oil.F-7

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