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เนื้อหาย่อ : Wood turning is a fascinating art, and illustration has a hollow spindle, in- the lathe, more than any other tool in ternally tapered at both ends to take the shop, is in itself a complete unit No. 2 Morse shanks. Smaller lathes capable of producing fnished work. have either a hollow spindle with No. 1 The operation of the machine is not Morse taper, or a solid spindle. The difficult; indeed, any beginner can spindle of the tailstock is usually made make a creditable turning on the very to match the headstock spindle so that first try by using scraping methods, various attachments can be used in True wood turning, however, is a cut- either position. The two main attach- ting operation and the acquisition of ments are the spur center, No. 19, the necessary skill to fashion turnings which 6ts the headstock spindle, and is quickly and well in this manner de- consequently known as the live center, mands some knowledge of methods and the cup center, No. 20, which fts and considerable practice in their ap- the tailstock spindle, and is known as plication. the dead center. In operation, the work The Wood Lathe. Wood lathes are is mounted between these two centers designated according to the maximum for turning, the spurs of the live center diameter of work which can be swung serving as the driving member. over the bed-a lathe capable of swing- The tailstock of the lathe has three ing an 1l-inch diameter disk of wood is adjustments. First of all, it can be called an 11-inch lathe. The terms moved bodily along the lathe bed and wood lathe or speed lathe are usually can be clamped at any position by used to avoid confusion with screw- means of the wrench, No. 15, which cutting metal turning lathes. A typical fits over the tailstock clamp screw. 12-inch wood lathe is shown in Fig, 1.Secondly, it can be moved within slight The essential parts comprise the lathe limits across the bed of the lathe by bed, the headstock, the tailstock, and means of the set-over screws (No. 16), the tool rest. The tool rest consists of Thirdly, the spindle can be projected two main parts-the base and the too! or retracted inside the body of the tail- rest or support itself. Different types of stock by manipulating the feed handle rests are interchangeable in the same (14). Any desired position can be fixed by clamping the spindle with the tail- There are two general types of lathe stock spindle clamp (No. 13). headstocks - the spindle is either hol- Indexing Mechanism. The index- low or solid. The lathe shown in the ing mechanism consists of two rows of base.