ตัวกรองผลการค้นหา
คลิกที่แต่ละคำเพื่อดูรายละเอียด
(english) A small core-blowing machine, utilizing a removable sand magazine and blow heat.
(english) Resting an irregularly shaped core on a bed of sand for drying.
(english) A machine in the Tin Mill that automatically puts bifluoride into the plater bath.
(english) A rib in the cope of a tight flask to help support the sand.
(english) Sand adhering to the surface of the casting that is extremely difficult to remove.
(english) A form of casting defect related to an improper coating rather than to the sand.
(english) Agitation of a bath of metal caused by the liberation of a gas beneath its surface. May be deliberately induced by the addition of oxidizing material to a bath containing excess carbon. In the later case it is called a carbon boil and CO or CO2 are liberated.
(Concrete Engineering) Wet shotcrete or sand and cement which bounces away from a surface again at which pneumatically applied mortar is being projected.
(english) A loose steel frame placed inside a removable flask to reinforce the sand at the parting line after the flask has been removed.
(english) Compressive, shear, tensile or transverse strength of a mold sand mixture when baked at a temperature above 231 B0F (111 B0C) and then cooled to room temperature.
อนุภาคดินแบ่งตามขนาด : อนุภาคของดินที่พิจารณาตามขนาดของมัน แบ่งออกเป็น 3 ชนิด คือ ทราย (sand) ตะกอนดิน (silt) และดินเหนียว (clay) ซึ่งจะมีขนาดตั้งแต่ 2.00 ถึง 0.02 มม. ,0.02 ถึง 0.002 มม. และ 0.002 มม. ลงไป ตามลำดับ
(Concrete Engineering) Removing or alleviating defects on a concrete surface by applying a mixture of sand and cement to the moistened surface and rubbing with a coarse material such as burlap.