What is meant by cope and drag?
In foundry work, the terms cope and drag refer respectively to the top and bottom parts of a two-part casting flask, used in sand casting. The flask is a wood or metal frame, which contains the molding sand, providing support to the sand as the metal is poured into the mold.
How do you differentiate between drag and cope?
is that cope is to deal effectively with something difficult or cope can be to cover (a joint or structure) with coping or cope can be (obsolete) to bargain for; to buy while drag is to pull along a surface or through a medium, sometimes with difficulty.
What is the drag in sand casting?
In a two-part mold, which is typical of sand castings, the upper half (containing the top half of the pattern, flask, and core) is called the cope. The lower half is called the drag. The parting line is the line or surface that separates the cope and drag.
Which type of sand is sprinkle on top and bottom surface of cope and drag?
Cope and Drag refers respectively to the top and bottom of the mold use in Sand Casting. They are metal flasks used to contain and support the Green Sand during the mold making and mold pouring processes.
What is Cope in metal?
Coping or notching of beams is required to ensure that beams and columns fit without conflict (interference). It is often necessary to remove material from a flange or web in order for the intersecting steel pieces to fit.
What is a sprue in casting?
A sprue is a large diameter channel through which the material enters the mould. A runner is a smaller diameter channel that directs the molten metal is directed towards the individual part (particularly common when casting multiple parts at once).
What is mould and core?
A core is a solid object that is inserted in the mould cavity so that metal flows around it and, upon solidification, the casting is devoid of metal in the part occupied by the core initially in the mould cavity.
What is Cope in fabrication?
What is coping in welding?
Coping or scribing is the woodworking technique of shaping the end of a moulding or frame component to neatly fit the contours of an abutting member. Joining tubular members in metalworking is also referred to as a cope, or sometimes a “fish mouth joint” or saddle joint.
What are foundry machines?
They contain all the machinery and equipment used in pattern and core making, casting, and molding. That assortment includes large melting furnaces, ladles, forklifts, cranes, conveyors, and transfer vessels. All foundry equipment is specially designed to function reliably in melt shop heat.