Por lo que vale, a continuación hay un código que reproduce el problema. Bueno, en espíritu. Cuando se ejecuta el código, crea un eje y de aspecto extraño:

No es el mismo problema que tiene, sino un problema de formato, y uno que probablemente se solucione de la misma manera que está solicitando:
use la herramienta de captura para darle un pequeño empujón (esto es lo que creo que quiere decir con 'actualizar'):

Aquí está el código que reproduce el resultado anterior (perdón por la tabla incrustada). Código diferente, pero mantuve tu última línea 
New Table( "Square Well",
Add Rows( 401 ),
New Script(
"Graph Builder",
Graph Builder(
Size( 382, 300 ),
Show Control Panel( 0 ),
Variables( X( :t ), Y( :F ) ),
Elements( Line( X, Y, Legend( 9 ) ) ),
SendToReport(
Dispatch(
{},
"t",
ScaleBox,
{Format( "Best", 12 ), Min( 3 ), Max( 3.8 ), Inc( 0.1 ),
Minor Ticks( 0 ), Label Row( Show Major Grid( 1 ) )}
),
Dispatch(
{},
"F",
ScaleBox,
{Min( 50 ), Max( 200 ), Inc( 50 ), Minor Ticks( 1 ),
Label Row( {Show Major Grid( 1 ), Show Minor Grid( 1 )} )}
),
Dispatch( {}, "400", LegendBox, {Position( {-1} )} ),
Dispatch( {}, "Graph Builder", FrameBox, {Marker Size( 0 )} )
)
)
),
New Column( "t",
Numeric,
"Continuous",
Format( "Best", 12 ),
Set Values(
[-20, -19.9, -19.8, -19.7, -19.6, -19.5, -19.4, -19.3, -19.2, -19.1, -19,
-18.9, -18.8, -18.7, -18.6, -18.5, -18.4, -18.3, -18.2, -18.1, -18,
-17.9, -17.8, -17.7, -17.6, -17.5, -17.4, -17.3, -17.2, -17.1, -17,
-16.9, -16.8, -16.7, -16.6, -16.5, -16.4, -16.2999999999999,
-16.1999999999999, -16.0999999999999, -15.9999999999999,
-15.8999999999999, -15.7999999999999, -15.6999999999999,
-15.5999999999999, -15.4999999999999, -15.3999999999999,
-15.2999999999999, -15.1999999999999, -15.0999999999999,
-14.9999999999999, -14.9, -14.8, -14.7, -14.6, -14.5, -14.4, -14.3,
-14.2, -14.1, -14, -13.9, -13.8, -13.7, -13.6, -13.5, -13.4, -13.3,
-13.2, -13.1, -13, -12.9, -12.8, -12.7, -12.6, -12.5, -12.4, -12.3,
-12.2, -12.1, -12, -11.9, -11.8, -11.7, -11.6, -11.5, -11.4, -11.3,
-11.2, -11.1, -11, -10.9, -10.8, -10.7, -10.6, -10.5, -10.4, -10.3,
-10.2, -10.1, -9.99999999999997, -9.89999999999997, -9.79999999999997,
-9.69999999999997, -9.59999999999997, -9.49999999999997,
-9.39999999999997, -9.29999999999997, -9.19999999999997,
-9.09999999999997, -8.99999999999997, -8.89999999999997,
-8.79999999999997, -8.69999999999997, -8.59999999999997,
-8.49999999999997, -8.39999999999997, -8.29999999999997,
-8.19999999999997, -8.09999999999997, -7.99999999999997,
-7.89999999999997, -7.79999999999997, -7.69999999999997,
-7.59999999999997, -7.49999999999997, -7.39999999999997,
-7.29999999999998, -7.19999999999998, -7.09999999999998,
-6.99999999999998, -6.89999999999998, -6.79999999999998,
-6.69999999999998, -6.59999999999998, -6.49999999999998,
-6.39999999999998, -6.29999999999998, -6.19999999999998,
-6.09999999999998, -5.99999999999998, -5.89999999999998,
-5.79999999999998, -5.69999999999998, -5.59999999999998,
-5.49999999999998, -5.39999999999998, -5.29999999999998,
-5.19999999999998, -5.09999999999998, -4.99999999999998,
-4.89999999999998, -4.79999999999998, -4.69999999999998,
-4.59999999999999, -4.49999999999999, -4.39999999999999,
-4.29999999999999, -4.19999999999999, -4.09999999999999,
-3.99999999999999, -3.89999999999999, -3.79999999999999,
-3.69999999999999, -3.59999999999999, -3.49999999999999,
-3.39999999999999, -3.29999999999999, -3.19999999999999,
-3.09999999999999, -2.99999999999999, -2.89999999999999,
-2.79999999999999, -2.69999999999999, -2.59999999999999,
-2.49999999999999, -2.39999999999999, -2.29999999999999,
-2.19999999999999, -2.09999999999999, -1.99999999999999,
-1.89999999999999, -1.79999999999999, -1.69999999999998,
-1.59999999999998, -1.49999999999999, -1.39999999999998,
-1.29999999999998, -1.19999999999998, -1.09999999999998,
-0.999999999999985, -0.899999999999985, -0.799999999999985,
-0.699999999999985, -0.599999999999985, -0.499999999999985,
-0.399999999999985, -0.299999999999985, -0.199999999999985,
-0.0999999999999847, 1.52933221642115e-14, 0.100000000000015,
0.200000000000015, 0.300000000000015, 0.400000000000015,
0.500000000000015, 0.600000000000015, 0.700000000000015,
0.800000000000015, 0.900000000000015, 1.00000000000002, 1.10000000000002,
1.20000000000002, 1.30000000000002, 1.40000000000002, 1.50000000000002,
1.60000000000002, 1.70000000000002, 1.80000000000002, 1.90000000000002,
2.00000000000002, 2.10000000000002, 2.20000000000002, 2.30000000000002,
2.40000000000002, 2.50000000000002, 2.60000000000002, 2.70000000000002,
2.80000000000002, 2.90000000000002, 3.00000000000002, 3.10000000000002,
3.20000000000002, 3.30000000000002, 3.40000000000002, 3.50000000000002,
3.60000000000002, 3.70000000000002, 3.80000000000002, 3.90000000000002,
4.00000000000002, 4.10000000000002, 4.20000000000002, 4.30000000000002,
4.40000000000002, 4.50000000000002, 4.60000000000002, 4.70000000000002,
4.80000000000001, 4.90000000000001, 5.00000000000001, 5.10000000000001,
5.20000000000001, 5.30000000000001, 5.40000000000001, 5.50000000000001,
5.60000000000001, 5.70000000000001, 5.80000000000001, 5.90000000000001,
6.00000000000001, 6.10000000000001, 6.20000000000001, 6.30000000000001,
6.40000000000001, 6.50000000000001, 6.60000000000001, 6.70000000000001,
6.80000000000001, 6.90000000000001, 7.00000000000001, 7.10000000000001,
7.20000000000001, 7.30000000000001, 7.40000000000001, 7.50000000000001,
7.60000000000001, 7.70000000000001, 7.80000000000001, 7.9, 8, 8.1, 8.2,
8.3, 8.4, 8.5, 8.6, 8.7, 8.8, 8.9, 9, 9.1, 9.2, 9.3, 9.4, 9.5, 9.6, 9.7,
9.8, 9.9, 10, 10.1, 10.2, 10.3, 10.4, 10.5, 10.6, 10.7, 10.8, 10.9, 11,
11.1, 11.2, 11.3, 11.4, 11.5, 11.6, 11.7, 11.8, 11.9, 12, 12.1, 12.2,
12.3, 12.4, 12.5, 12.6, 12.7, 12.8, 12.9, 13, 13.1, 13.2, 13.3, 13.4,
13.5, 13.6, 13.7, 13.8, 13.9, 14, 14.1, 14.2, 14.3, 14.4, 14.5, 14.6,
14.7, 14.8, 14.9, 15, 15.1, 15.2, 15.3, 15.4, 15.5, 15.6, 15.7, 15.8,
15.9, 16, 16.1, 16.2, 16.3, 16.4, 16.5, 16.6, 16.7, 16.8, 16.9, 17, 17.1,
17.2, 17.3, 17.4, 17.5, 17.6, 17.7, 17.8, 17.9, 18, 18.1, 18.2, 18.3,
18.4, 18.5, 18.6, 18.7, 18.8, 18.9, 19, 19.1, 19.2, 19.3, 19.4, 19.5,
19.6, 19.7, 19.8, 19.9, 20]
)
),
New Column( "F",
Numeric,
"Continuous",
Format( "Fixed Dec", 12, 0 ),
Formula( (((:t ^ 4 + 3 * :t ^ 3) - 12 * :t ^ 2) + :t) - 6 )
)
);
gbObj = Graph Builder(
Size( 382, 300 ),
Show Control Panel( 0 ),
Variables( X( :t ), Y( :F ) ),
Elements( Line( X, Y, Legend( 9 ) ) ),
SendToReport(
Dispatch(
{},
"t",
ScaleBox,
{Format( "Best", 12 ), Min( 3 ), Max( 3.8 ), Inc( 0.1 ),
Minor Ticks( 0 ), Label Row( Show Major Grid( 1 ) )}
),
Dispatch(
{},
"F",
ScaleBox,
{Min( 50 ), Max( 200 ), Inc( 50 ), Minor Ticks( 1 ),
Label Row( {Show Major Grid( 1 ), Show Minor Grid( 1 )} )}
),
Dispatch( {}, "Graph Builder", FrameBox, {Marker Size( 0 )} ),
Dispatch(
{},
"400",
LegendBox,
{Legend Position( {9, [-1]} ), Position( {-1} )}
)
)
);
// first time i have seen xpath used to traverse the display tree :)
gbOlbXpObj = gbObj << xpath( "//OutlineBox[ text() = 'Graph Builder']//AxisBox");
gbOlbXpObj[2] << max(101.6589)<< min(55) << setwidth(0);// << inc(myInc);