Merry Christmas! Today is Christmas Day, Christmas Day is an annual festival commemorating the birth of Jesus Christ, observed most commonly on December 25 as a religious and cultural celebration among billions of people around the world.A feast central to the Christian liturgical year, it is prepared for by the season of Advent or the Nativity Fast and initiates the season of Christmastide, which historically in the West lasts twelve days and culminates on Twelfth Night; in some traditions, Christmastide includes an Octave. Christmas Day is a public holiday in many of the world’s nation... ...Read More>>
Daily Archives: 2015 年 12 月 25 日
硬质合金钻套简述
什么是钻套 钻套是安装在钻模板或夹具体上，其作用是用来确定工件上被加工孔的位置，引导刀具进行加工，并提高刀具在加工过程中的刚性和防止加工中的振动。 主要是用来确定钻头、扩孔钻、铰刀等定尺寸刀具的轴线位置，钻套的结构和尺寸已经标准化。根据使用特点，钻套具有固定钻套、可换钻套、快换钻套和特殊钻套四种型式。而且采用“过盈配合”把钻套镶入钻模板上。 硬质合金钻套性能 硬质合金钻套具有硬度高、耐磨性强、韧性好、... ...Read More>>