Microwave Turntable trays, Roller rings, Motors & Couplings are microwave oven spare parts. Microwave oven spare parts. The Microwave oven plate or glass turntable tray for microwave ovens. Microwave glass plate. Glass dish for microwave. Most microwave ovens have a rotating glass tray which is supported by a microwave roller ring or turntable roller. Sometimes a 3 legged microwave turntable support is called a 'spider'. The microwave turntable plate enables even distribution of the microwaves in the oven cavity and makes for even microwave cooking. The microwave oven plate or microwave dish is driven around by a turntable coupling which sits in the bottom of the oven. Made of plastic, if damaged can spark or arc and will need replacing. The coupling is driven by the microwave turntable motor. The microwave oven tray is made of glass, sometimes heatproof and some microwave trays are made of ceramic. Combination ovens or microwave grill ovens sometimes have enamel trays which are heatproof.
