Barra rolagem horizontal no jtable

jTable1 = new JTable(dbd2);
							//jTable1.setBounds(10, 10, 600, 250);
							jTable1.setVisible(true);
						    jTable1.getTableHeader().setReorderingAllowed(false); // trava colunas
						    jTable1.getTableHeader().setResizingAllowed(false);   // trava tamanho coluna
						    jTable1.getTableHeader().setBackground( Color.lightGray ) ;  // cor do fundo
						    jTable1.setSelectionMode(ListSelectionModel.SINGLE_SELECTION); // seleciona uma linha da tabela
						    jTable1.setEnabled(false); // nao edita a tabela
						    jTable1.setGridColor( Color.black ); // cor das linhas internas
						    //jTable1.setBackground( Color.lightGray ) ;  // cor do fundo
						    jTable1.setShowHorizontalLines(true) ;  // linhas horizontais
						    jTable1.setShowVerticalLines(true) ;  // linhas verticais
						    //jTable1.setAutoResizeMode(JTable.AUTO_RESIZE_OFF); 

				
				 			DefaultTableCellRenderer rendererDireita = new DefaultTableCellRenderer();
				 			rendererDireita.setHorizontalAlignment(SwingConstants.RIGHT);
				 			DefaultTableCellRenderer rendererEsquerda = new DefaultTableCellRenderer();
				 			rendererEsquerda.setHorizontalAlignment(SwingConstants.LEFT);
						    
						    TableColumnModel modeloDaColuna1 = jTable1.getColumnModel();
						    modeloDaColuna1.getColumn(0).setMaxWidth(300);
						    modeloDaColuna1.getColumn(1).setMaxWidth(200);
						    modeloDaColuna1.getColumn(2).setMaxWidth(200);
						    
						    modeloDaColuna1.getColumn(0).setHeaderValue( "1" ) ;
						    modeloDaColuna1.getColumn(1).setHeaderValue( "2" ) ;
						    modeloDaColuna1.getColumn(2).setHeaderValue( "3" ) ;
				
					 		modeloDaColuna1.getColumn(0).setCellRenderer(rendererEsquerda);
				 			modeloDaColuna1.getColumn(1).setCellRenderer(rendererEsquerda);
					 		modeloDaColuna1.getColumn(2).setCellRenderer(rendererEsquerda);

						    JScrollPane scroll1 = new JScrollPane( jTable1,JScrollPane.VERTICAL_SCROLLBAR_ALWAYS, JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
						    //JScrollPane scroller = new JScrollPane( table, JScrollPane.VERTICAL_SCROLLBAR_ALWAYS, JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
						    scroll1.setVisible(true);
						    scroll1.setBounds(10,10,600,250);
						    //getContentPane().add(scroll);
							//jPanel2.add(jTable1);
							jPanel2.add(scroll1);