![]() ![]() The workpiece is fixed on the work table and The worktable can be move and the tool head of the machine is in a stationary position. Now we study working of Planer Machine, Planer Machine Working Principle: The size of the planer is specified by the maximum length of the stroke and it is also specified by the largest rectangular size that can be machined. The drive mechanism is located under the table and The motor drive is at one side of the planer. The feeding mechanism of the tool head is by the hand of power in a crosswise or in a vertical direction. It has Saddle, Swivel base, Vertical Slide, Apron, Clapper box, Clapper block, Toolpost, Down feed screw, Apron, clamping bolt, Apron swiveling pin, Mechanism for cross and down-feed of the tool. ![]() The cutting edge of the tool will be saved as of being damage and permits the automatic supply to function with no intrusion. The tool post is attached to the head so that on to and from of the table the cutting tool force is raised. ![]() Tool head is a component assembled to saddle, which has the tool post in it. The planer screws can be operated by hand or power. It has screws for vertical and crossfeed of the tool heads and a screw for elevating the rail. Two tool heads are mounted which are called railhead. It must be horizontal irrespective of its position. The Crossrail when clamped should remain absolutely parallel to the top surface of the table, i.e. It occupies the face of the housing and can be clamped at the position by manual, hydraulic devices. Crossrail provides rigidity to the machine. The Crossrail is a casting that connects the two housings. If the table overruns, a large cutting tool bolted along the underside of the table which will take a deep cut on a replaceable block absorbing the kinetic energy of the moving table. Hydraulic bumpers are attached to the end of the bed to stop the table from overrunning that will give the cushioning effect. The table is made up of one single casting but it is divided by the table of planer there are two separate tables mounted upon the bed ways. ![]() Works can also rest upon the troughs of the planer. In the end, a hollow space is left which acts as a carrier for collecting chips. The planer table is a heavy rectangular casting that has T-slots provided on the entire length of the table so that the work and work holding devices attached to it. The table of the planer supports the workpiece and reciprocates along with the ways of the bed. Planer housing encloses the Crossrail elevating screw, vertical and crossfeed screws for tool heads, counterbalancing weight for the Crossrail. They are heavily mechanized to continue severe forces due to cutting.Ĭross rail may be made to slide up and down for accommodating different heights of work to the front face of each housing is accurately machined to provide precision ways. The housings also called columns like vertical structures placed on each side of the bed and are attached to the sides of the bed. The guideways are lubricated properly and to ensure a continuous and adequate supply of lubricants in modern machines, oil under pressure is pumped into the different parts of the guideways. The guideways should be horizontal and parallel to each other. To support the table guideways may be provided on a very large machine. So that the full length of the table may across it. The bed is made generally longer than the length of the table, almost twice the length. It is heavy in weight and very large in size also it supports the column and moving parts of the machine. The bed of a planer having cross ribs similar to box-like casting. The following Construction or Main Parts of Planer Machine are: Now let’s see the construction or Parts of Planer Machine, Planer Machine Parts: Unlike Shaper Machine, in this machine, more than one tool can be set and perform an operation. Planer Machine is a machine in which unwanted material is cut from the workpiece to produce a flat surface on the workpiece. The planer can do machining heavy workpiece, which cannot be done on a shaper surface. A planer machine is large and massive as compared to a shaper machine. It produces planes and flat surfaces with a single-point cutting tool. Stroke length, larger size, and higher rigidity enable the planning machines to do more heavy-duty work on large jobs and their long surfaces. Reciprocation of the tool or job and the slow, intermittent transverse feed motions are imparted to the job or tool by the fast straight path cutting motion.Īl the operations done in planning machines can be done in the shaping machine. The principle of the planner machine is the concept of relative tool-work motions. ![]()
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