Method and cast components for cold formed center sill rail car modification programs and railcars formed thereby
A method of modification of a railcar which includes providing an existing railcar with a cold formed center sill; removing an upper portion of the railcar; Cutting and splicing the center sill; Forming an upper railcar body having top chord sections and a pair of end walls and side walls coupled to the top chord structure, wherein each sidewall includes a side sheet, a plurality of side stakes and side sill; Forming an underframe construction including the spliced center sill, bolsters configured to be above truck assemblies and coupled to the center sill and a plurality of lateral I-Beam cross bearers that extend from the center sill toward and stopping short of the inside of the side sheet, and wherein the cross bearers include vertical connection plates configures for coupling to side stakes which are positioned between the bolsters; and Coupling the upper body to the underframe.
1 . A method of modification of a railcar with a cold formed center sill comprising the steps of:
providing an existing railcar with a cold formed center sill;
removing an upper portion of the existing railcar including all existing railcar side walls, all existing railcar end walls and all existing railcar top chord sections;
forming an upper railcar body having top chord sections and a pair of end walls and side walls coupled to the top chord structure;
forming an underframe construction including the cold formed center sill running the length of the car and bolsters configured to be above truck assemblies and coupled to the cold formed center sill; and
coupling the upper body to the underframe, further including the step of cutting and splicing the cold formed center sill to a desired length prior to forming the underframe construction, wherein the step of cutting and splicing the cold formed center sill to a desired length prior to forming the underframe construction includes at least one of i) using a splice casting having a center section with the same profile as the exterior of the cold formed center sill with two end sections that telescope into the interior of spliced cold formed center sill sections or ii) using at least one cast transition casting between the cold formed center sill and a draft arm.
2 . The method of modification of a railcar according to claim 1 , wherein the existing railcar is a gondola railcar and the forming of the upper railcar body includes wherein each sidewall includes a side sheet a plurality of side stakes and side sill.
3 . The method of modification of a railcar according to claim 2 , wherein the forming of the underframe construction includes forming a plurality of lateral I-Beam cross bearers that extend from the center sill toward and stopping short of the inside of the side sheet, and wherein the cross bearers include vertical connection plates configured for coupling to side stakes which are positioned between the bolsters.
4 . The method of modification of a railcar according to claim 1 , wherein the splice casting as a total weight is less than 100 LBS.
5 . The method of modification of a railcar according to claim 1 , wherein each one of the at least one cast transition casting is less than 75 LBS.
6 . The method of modification of a railcar according to claim 1 , wherein the modified railcar after the step of coupling the upper body to the underframe is one of a gondola, open top hopper and covered hopper railcar type.
7 . The method of modification of a railcar according to claim 1 , wherein the modified railcar after the step of Coupling the upper body to the underframe is a car type defined as one of i) an open top, flat bottom gondola with a cold formed center sill, with no interior bracing, ii) an open top, all steel underframe with through cold formed center sill, outside stake, two piece composite side, with interior bracing, and twin rounded bottom tubs, iii) an open top three pocket hopper car, all steel underframe, stainless steel body, through cold formed center sill, iv) an open top, four longitudinal doors, hopper car, v) an open top, hopper, all steel underframe, three hopper pockets, and vi) an all steel underframe, through cold formed center sill, at least two bolt on hopper gates, curved roof, curved side construction, and loading hatches.
8 . A method of modification of a railcar comprising the steps of:
providing an existing railcar;
removing an upper portion of the existing railcar including all existing railcar side walls, all existing railcar end walls and all existing railcar top chord sections;
cutting and splicing a center sill of the existing railcar to a desired length to form a spliced center sill which includes using a splice casting having a center section with the same profile as the exterior of the center sill with two end sections that telescope into the interior of spliced center sill sections;
forming an upper railcar body having top chord sections and a pair of end walls and side walls coupled to the top chord structure;
forming an underframe construction including the spliced center sill running the length of the car and bolsters configured to be above truck assemblies and coupled to the center sill; and
coupling the upper body to the underframe.
9 . The method of modification of a railcar according to claim 8 , wherein the splice casting has a total weight of less than 100 LBS.
10 . The method of modification of a railcar according to claim 8 , wherein at least one cast transition casting between the spliced center sill and a draft arm is used and wherein each cast transition casting has a total weight of less than 75 LBS.
11 . The method of modification of a railcar according to claim 8 wherein the existing railcar includes a cold formed center sill.
12 . The method of modification of a railcar according to claim 8 , wherein the modified railcar after the step of coupling the upper body to the underframe is a car type defined as one of i) an open top, flat bottom gondola with a cold formed center sill, with no interior bracing, ii) an open top, all steel underframe with through cold formed center sill, outside stake, two piece composite side, with interior bracing, and twin rounded bottom tubs, iii) an open top three pocket hopper car, all steel underframe, stainless steel body, through cold formed center sill, iv) an open top, four longitudinal doors, hopper car, v) an open top, hopper, all steel underframe, three hopper pockets, and vi) an all steel underframe, through cold formed center sill, at least two bolt on hopper gates, curved roof, curved side construction, and loading hatches.
13 . A method of modification of a gondola railcar comprising the steps of:
providing an existing double tub floor gondola railcar;
removing an upper portion of the existing railcar including any existing railcar side walls, any existing railcar end walls and any existing railcar top chord sections;
cutting and splicing a center sill of the existing railcar to a desired length to form a spliced center sill which includes using at least one of i) a splice casting having a center section with the same profile as the exterior of the center sill with two end sections that telescope into the interior of spliced center sill sections and ii) a cast transition casting between the spliced center sill and a draft arm;
forming an upper railcar body having top chord sections and a pair of end walls and side walls coupled to the top chord structure;
forming an underframe construction including the spliced center sill running the length of the car and bolsters configured to be above truck assemblies and coupled to the center sill; and
coupling the upper body to the underframe.
14 . The method of modification of a railcar according to claim 13 , wherein the modified railcar after the step of coupling the upper body to the underframe is a car type defined as one of i) an open top, flat bottom gondola with a cold formed center sill, with no interior bracing, ii) an open top, all steel underframe with through cold formed center sill, outside stake, two piece composite side, with interior bracing, and twin rounded bottom tubs, iii) an open top three pocket hopper car, all steel underframe, stainless steel body, through cold formed center sill, iv) an open top, four longitudinal doors, hopper car, v) an open top, hopper, all steel underframe, three hopper pockets, and vi) an all steel underframe, through cold formed center sill, at least two bolt on hopper gates, curved roof, curved side construction, and loading hatches.
15 . The method of modification of a railcar according to claim 14 , wherein a splice casting is used and the splice casting has a total weight of less than 100 LBS.