MACHINING IS TOP VALUE-ADDED SERVICE
(93.3%) off ering at least two. Fifty-fi ve metalcasters reported off ering all 10 of the survey’s value-added services. Prototyping (290) and coating (217) were the least popular services.
Coremaking Methods
Leader: Shell Last Place: Cast-in Inserts A little more than half of the par-
ticipating facilities (893) reported using some method of coremaking. Shell and air-set/nobake coremaking were the top two responses, with 609 and 571 facilities reportedly using the methods, respectively. T e least popular methods were ceramic cores (99 facilities) and cast-in inserts (40). Nearly 80% of responding facilities
use more than one method for core- making, with 182 locations using just a single method. T e combination of shell and air-set/nobake was the most common tandem, with 416 facilities reportedly using both methods, while 340 responses included both shell and green sand methods.
Total Number of U.S. Plants Of the 1,692 participating facilities, 1,188 reported offering at least one value-added service.
SHELL COREMAKING REMAINS TOP METHOD
Total Number of U.S. Plants
The shell coremaking process remains the most popular method, edging out air-set/nobake by 2%.
Jan/Feb 2015 | METAL CASTING DESIGN & PURCHASING | 31
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