Jet GH-1340W Owner's Manual

Also see for GH-1340W: Parts list

Contents

Jet GH-1340W Owner's Manual Manual pdf 13 page image

13General DescriptionLathe BedThe lathe bed (A, Fig. 10) is made of highgrade cast iron. By combining high cheekswith strong cross ribs, a bed with low vibrationand high rigidity is realized. Two precisionground vee slideways, reinforced by heathardening and grinding, are an accurate guidefor the carriage and headstock. The maindrive motor is mounted in the stand belowheadstock.HeadstockThe headstock (B, Fig. 10) is cast from highgrade, low vibration cast iron. It is bolted tothe bed by four screws with two adjustingscrews for alignment. In the head, the spindleis mounted on two precision taper rollerbearings. The hollow spindle has MorseTaper #5 with a 1-1/2" bore.CarriageThe carriage (A, Fig. 11) is made from highquality cast iron. The sliding parts are smoothground. The cross slide is mounted on thecarriage and moves on a dove tailed slidewhich can be adjusted for play by means ofthe gibs.The compound slide (B, Fig. 11), which ismounted on the cross slide (C, Fig. 11), canbe rotated through 360°. The top slide and thecross slide travel in a dovetail slide and haveadjustable gibs. A four way tool post is fittedon the top slide.Four Way Tool PostThe four way toolpost (D, Fig. 11) is mountedon the top slide and allows a maximum of fourtools to be mounted simultaneously.Remember to use a minimum of two clampingscrews when installing a cutting tool.ApronThe apron (E, Fig. 11) is mounted to thecarriage. In the apron a half nut is fitted. Thehalf nut gibs can be adjusted from the outside.The half nut is engaged by use of a lever.Quick travel of the apron is accomplished bymeans of a bed mounted rack and pinion,operated by a hand wheel on the front of theapron.