1、以下这些语句存在若干问题，包括语法错误、标点使用不当、语句不通畅及信息不完整——“.....········选择材料，确定许用应力·····································································根据扭转强度估算轴径·········································································确定各轴段的直径和长度·····································································校核·····································································································结束语······························································......”。

2、以下这些语句存在多处问题，具体涉及到语法误用、标点符号运用不当、句子表达不流畅以及信息表述不全面——“.....高速重载的行星传动，可采用滑动轴承，并用压力油润滑。为提高轴承的疲劳寿命，并使行星轮有可靠的基准孔，并便于维修，应把轴承合金浇铸在心轴表面上，对此结构，应保证充分润滑。行星架的结构设计行星架是行星传动中结构较复杂的个重要零件。可分为双壁整体式双壁分离式和单壁式三种。可采用铸造锻造和焊接等方法制造毛坯。双壁整体式行星架如图所示的结构刚性好。为保证刚度，常取壁厚。当传动比较大时，由于行星轮轴承般安装在行星轮内采用这种行星架结构为宜。双壁分离式行星架如图所示结构较为复杂，刚性较差。当传动比较小时，行星轮轴承安装在行星架上。采用这种结构，装配比较方便。单壁式行星架如图所示，结构简单，装配方便，轴向尺寸小。但这种行星轮是悬臂布臵，受力不好，刚性差，并要校验行星轮轴与行星架孔配合长度及过盈量。另外，轴承必须装在行星轮内。当行星轮直径较小时，装配比较困难。般用于中小功率的传动。推荐壁厚......”。

3、以下这些语句在语言表达上出现了多方面的问题，包括语法错误、标点符号使用不规范、句子结构不够流畅，以及内容阐述不够详尽和全面——“.....································行星齿轮抗弯疲劳强度计算及校核·······················································行星齿轮接触疲劳强度计算及校核·······················································行星齿轮传动的均载机构的设计·····································································基本构件浮动的均载机构···········································································采用弹性件的均载机构····································································......”。

4、以下这些语句该文档存在较明显的语言表达瑕疵，包括语法错误、标点符号使用不规范，句子结构不够顺畅，以及信息传达不充分，需要综合性的修订与完善——“.....···········杠杆联动均载机构······················································································弹性油膜浮动法··························································································齿式联轴器的设计······················································································太阳轮行星轮和行星架的结构设计································································太阳轮的结构设计····································......”。

5、以下这些语句存在多种问题，包括语法错误、不规范的标点符号使用、句子结构不够清晰流畅，以及信息传达不够完整详尽——“.....中低速行星齿轮传动的常用的行星结构见下图，轴承多用滚动轴承。当传动比较大时，行星轮直径较大，轴承可装于行星轮孔内，这样可以减小传动的轴向尺寸，并使装配结构简化。般轮壁厚度，为模数。当传动比较小时，行星轮直径较小，在行星轮孔内装轴承尺寸不够，可将轴承装在行星架上。整体双联齿轮截面急剧变化处有应力集中，应使。这种结构小齿轮不能磨齿，当其需要磨齿时，须设计成装配式，两行星轮位臵精度用定位销或从工艺上来保证。图行星轮的常用结构在行星轮孔内装两个轴承时，应尽量使轴承之间的距离增大，以改善轴承受力情况，并可使载荷沿齿宽分布均匀。在行星轮孔内装个双列调心滚子轴承，也可以减小载荷沿齿宽分布的不均匀性。当载荷较大时，可选用两个双列调心滚子轴承。在结构要求很紧凑时，滚针轴承与单列深沟球轴承受轴向载荷，且滚针轴承可以没有内外圈，此时，行星轮的孔壁和心轴的表面就是滚道......”。

6、以下这些语句存在多方面的问题亟需改进，具体而言：标点符号运用不当，句子结构条理性不足导致流畅度欠佳，存在语法误用情况，且在内容表述上缺乏完整性。——“.....当齿式联轴器为鼓形齿时，应用赫兹公式计算内齿套的周向应力。通常内齿套的厚度时，可以不进行计算。表轮齿载荷分布系数表寿命系数表许用应力和太阳轮行星轮和行星架的结构设计太阳轮的结构设计在行星齿轮传动中，太阳轮的结构设计取决于行星传动类型传动比大小传动转矩的大小和支承方式以及所采用的均载机构。当太阳轮不浮动时，它可以简支安装或悬臂安装。在的传动中，悬臂安装的太阳轮，由于啮合力呈轴线对称作用，因而不会造成载荷沿齿宽分布均匀的恶化。根据太阳轮尺寸小的不同，可做成齿轮轴或中空薄壁齿轮，并采用花键联接......”。

7、以下这些语句存在标点错误、句法不清、语法失误和内容缺失等问题，需改进——“.....···········杠杆联动均载机构······················································································弹性油膜浮动法··························································································齿式联轴器的设计······················································································太阳轮行星轮和行星架的结构设计································································太阳轮的结构设计····································......”。

8、以下文段存在较多缺陷，具体而言：语法误用情况较多，标点符号使用不规范，影响文本断句理解；句子结构与表达缺乏流畅性，阅读体验受影响——“.....···········杠杆联动均载机构······················································································弹性油膜浮动法··························································································齿式联轴器的设计······················································································太阳轮行星轮和行星架的结构设计································································太阳轮的结构设计····································......”。

9、以下这些语句存在多方面瑕疵，具体表现在：语法结构错误频现，标点符号运用失当，句子表达欠流畅，以及信息阐述不够周全，影响了整体的可读性和准确性——“.....切作回转运动的传动零件例如齿轮蜗轮等，都必须安装在轴上才能进行运动及动力的传递。因此，轴的主要功用是支承回转零件及传递运动和动力。根据承受载荷的情况，轴可分为三类心轴工作时只受弯矩的轴，称为心轴。心轴又分为转动心轴和固定心轴。图心轴传动轴工作时主要承受转矩，不承受或承受很小弯矩的轴，称为传动轴。图传动轴转轴工作时既承受弯矩又承受转矩的轴，称为转轴。图转轴二按轴线形状可分为直轴光轴作传动轴应力集中小。阶梯轴优点便于轴上零件定位实现等强度。曲轴图曲轴另外还有空心轴机床主轴和钢丝软轴挠性轴它可将运动灵活地传到狭窄的空间位臵。如牙铝的传动轴。减速器输入轴的设计选择材料，确定许用应力该轴材料选用钢，调质处理。已知输入轴的转矩，功率，转速，且太阳轮的直径为，所以有根据扭转强度估算轴径首先估算轴的最小直径，由高等教育出版社机械设计表，取......”。