soleplate

A soleplate is the flat bottom surface of an appliance or device that makes contact with the work surface. The term is most often used for electric clothes irons, where the soleplate is the heated, smooth surface that presses fabric and distributes heat and pressure. It may be made of metals such as aluminum or stainless steel and may incorporate coatings such as ceramic or nonstick to improve glide and reduce sticking. Some soleplates include steam vents to allow water to be sprayed and converted to steam during ironing; the pattern and spacing of vents influence heat distribution and crease removal. The design balances heat conductivity, weight, durability, and glide performance. Lightweight irons use thinner plates, while higher-end models may use laminated or reinforced plates to resist warping.

In industrial and structural contexts, a soleplate is a base plate attached to a machine or support structure to distribute loads onto a foundation, often featuring leveling feet or bolt holes. It can also function as a mounting pad for vibrating equipment and machinery bases, sometimes called a bedplate in larger installations. Materials vary from steel to cast iron, chosen for stiffness and load-bearing capacity.

Maintenance involves keeping the surface clean, preventing mineral buildup from water, and avoiding scratches that could mar coatings. For ceramic or nonstick soleplates, use recommended cleaners and soft cloths, and avoid abrasive materials.